Home / 7,477,339.40-11,216,009.10-7,430,100.20

Finding the Fourth Proportional to 7,477,339.40, 11,216,009.10 and 7,430,100.20

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Solution

The fourth proportional to 7,477,339.40, 11,216,009.10 and 7,430,100.20 is: 11,145,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477,339.40 : 11,216,009.10 = 7,430,100.20 : x
  2. Step 2: Convert to fraction form
    7,477,339.40/11,216,009.10 = 7,430,100.20/x
  3. Step 3: Cross multiply
    7,477,339.40x = 11,216,009.10 × 7,430,100.20
  4. Step 4: Simplify right side
    7,477,339.40x = 83,336,071,457,111.81
  5. Step 5: Solve for x
    x = 83,336,071,457,111.81/7,477,339.40
  6. Step 6: Final answer
    x = 11,145,150.30

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Double scale
Find fourth proportional to 7,477,340.40, 11,216,010.60 and 7,430,101.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.