Home / 7,253,970.46-10,010,479.17-3,990,715.16

Finding the Fourth Proportional to 7,253,970.46, 10,010,479.17 and 3,990,715.16

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Solution

The fourth proportional to 7,253,970.46, 10,010,479.17 and 3,990,715.16 is: 5,507,186.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,970.46 : 10,010,479.17 = 3,990,715.16 : x
  2. Step 2: Convert to fraction form
    7,253,970.46/10,010,479.17 = 3,990,715.16/x
  3. Step 3: Cross multiply
    7,253,970.46x = 10,010,479.17 × 3,990,715.16
  4. Step 4: Simplify right side
    7,253,970.46x = 39,948,970,985,035.30
  5. Step 5: Solve for x
    x = 39,948,970,985,035.30/7,253,970.46
  6. Step 6: Final answer
    x = 5,507,186.88

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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.