Home / 7,235,343.63-9,984,891.20-3,972,459.15

Finding the Fourth Proportional to 7,235,343.63, 9,984,891.20 and 3,972,459.15

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Solution

The fourth proportional to 7,235,343.63, 9,984,891.20 and 3,972,459.15 is: 5,482,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235,343.63 : 9,984,891.20 = 3,972,459.15 : x
  2. Step 2: Convert to fraction form
    7,235,343.63/9,984,891.20 = 3,972,459.15/x
  3. Step 3: Cross multiply
    7,235,343.63x = 9,984,891.20 × 3,972,459.15
  4. Step 4: Simplify right side
    7,235,343.63x = 39,664,572,389,332.19
  5. Step 5: Solve for x
    x = 39,664,572,389,332.19/7,235,343.63
  6. Step 6: Final answer
    x = 5,482,057.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.