Home / 7,343,999.40-11,015,999.10-4,639,555.20

Finding the Fourth Proportional to 7,343,999.40, 11,015,999.10 and 4,639,555.20

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Solution

The fourth proportional to 7,343,999.40, 11,015,999.10 and 4,639,555.20 is: 6,959,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343,999.40 : 11,015,999.10 = 4,639,555.20 : x
  2. Step 2: Convert to fraction form
    7,343,999.40/11,015,999.10 = 4,639,555.20/x
  3. Step 3: Cross multiply
    7,343,999.40x = 11,015,999.10 × 4,639,555.20
  4. Step 4: Simplify right side
    7,343,999.40x = 51,109,335,907,600.32
  5. Step 5: Solve for x
    x = 51,109,335,907,600.32/7,343,999.40
  6. Step 6: Final answer
    x = 6,959,332.80

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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.