Home / 20,771,184.16-31,128,925.60-16,165,731.20

Finding the Fourth Proportional to 20,771,184.16, 31,128,925.60 and 16,165,731.20

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Solution

The fourth proportional to 20,771,184.16, 31,128,925.60 and 16,165,731.20 is: 24,226,921.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771,184.16 : 31,128,925.60 = 16,165,731.20 : x
  2. Step 2: Convert to fraction form
    20,771,184.16/31,128,925.60 = 16,165,731.20/x
  3. Step 3: Cross multiply
    20,771,184.16x = 31,128,925.60 × 16,165,731.20
  4. Step 4: Simplify right side
    20,771,184.16x = 503,221,843,794,398.75
  5. Step 5: Solve for x
    x = 503,221,843,794,398.75/20,771,184.16
  6. Step 6: Final answer
    x = 24,226,921.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.