Home / 15,519,740.62-21,417,247.91-8,997,151.13

Finding the Fourth Proportional to 15,519,740.62, 21,417,247.91 and 8,997,151.13

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Solution

The fourth proportional to 15,519,740.62, 21,417,247.91 and 8,997,151.13 is: 12,416,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519,740.62 : 21,417,247.91 = 8,997,151.13 : x
  2. Step 2: Convert to fraction form
    15,519,740.62/21,417,247.91 = 8,997,151.13/x
  3. Step 3: Cross multiply
    15,519,740.62x = 21,417,247.91 × 8,997,151.13
  4. Step 4: Simplify right side
    15,519,740.62x = 192,694,216,150,353.28
  5. Step 5: Solve for x
    x = 192,694,216,150,353.28/15,519,740.62
  6. Step 6: Final answer
    x = 12,416,071.95

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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.