Home / 15,493,245.68-21,386,434.83-13,309,023.17

Finding the Fourth Proportional to 15,493,245.68, 21,386,434.83 and 13,309,023.17

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Solution

The fourth proportional to 15,493,245.68, 21,386,434.83 and 13,309,023.17 is: 18,371,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,493,245.68 : 21,386,434.83 = 13,309,023.17 : x
  2. Step 2: Convert to fraction form
    15,493,245.68/21,386,434.83 = 13,309,023.17/x
  3. Step 3: Cross multiply
    15,493,245.68x = 21,386,434.83 × 13,309,023.17
  4. Step 4: Simplify right side
    15,493,245.68x = 284,632,556,676,165
  5. Step 5: Solve for x
    x = 284,632,556,676,165/15,493,245.68
  6. Step 6: Final answer
    x = 18,371,396.32

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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.