Home / 20,915,844.43-28,864,566.24-11,623,806.13

Finding the Fourth Proportional to 20,915,844.43, 28,864,566.24 and 11,623,806.13

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Solution

The fourth proportional to 20,915,844.43, 28,864,566.24 and 11,623,806.13 is: 16,041,241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,915,844.43 : 28,864,566.24 = 11,623,806.13 : x
  2. Step 2: Convert to fraction form
    20,915,844.43/28,864,566.24 = 11,623,806.13/x
  3. Step 3: Cross multiply
    20,915,844.43x = 28,864,566.24 × 11,623,806.13
  4. Step 4: Simplify right side
    20,915,844.43x = 335,516,122,000,303.06
  5. Step 5: Solve for x
    x = 335,516,122,000,303.06/20,915,844.43
  6. Step 6: Final answer
    x = 16,041,241.99

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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.