Home / 7,100,014.80-10,650,022.20-4,258,664.40

Finding the Fourth Proportional to 7,100,014.80, 10,650,022.20 and 4,258,664.40

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Solution

The fourth proportional to 7,100,014.80, 10,650,022.20 and 4,258,664.40 is: 6,387,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,100,014.80 : 10,650,022.20 = 4,258,664.40 : x
  2. Step 2: Convert to fraction form
    7,100,014.80/10,650,022.20 = 4,258,664.40/x
  3. Step 3: Cross multiply
    7,100,014.80x = 10,650,022.20 × 4,258,664.40
  4. Step 4: Simplify right side
    7,100,014.80x = 45,354,870,402,349.68
  5. Step 5: Solve for x
    x = 45,354,870,402,349.68/7,100,014.80
  6. Step 6: Final answer
    x = 6,387,996.60

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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.