Home / 6,516,988.80-9,780,148.80-3,674,083.20

Finding the Fourth Proportional to 6,516,988.80, 9,780,148.80 and 3,674,083.20

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Solution

The fourth proportional to 6,516,988.80, 9,780,148.80 and 3,674,083.20 is: 5,513,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516,988.80 : 9,780,148.80 = 3,674,083.20 : x
  2. Step 2: Convert to fraction form
    6,516,988.80/9,780,148.80 = 3,674,083.20/x
  3. Step 3: Cross multiply
    6,516,988.80x = 9,780,148.80 × 3,674,083.20
  4. Step 4: Simplify right side
    6,516,988.80x = 35,933,080,399,580.16
  5. Step 5: Solve for x
    x = 35,933,080,399,580.16/6,516,988.80
  6. Step 6: Final answer
    x = 5,513,755.13

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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.