Home / 20,771,177.52-31,128,915.66-16,165,724.58

Finding the Fourth Proportional to 20,771,177.52, 31,128,915.66 and 16,165,724.58

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Solution

The fourth proportional to 20,771,177.52, 31,128,915.66 and 16,165,724.58 is: 24,226,911.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771,177.52 : 31,128,915.66 = 16,165,724.58 : x
  2. Step 2: Convert to fraction form
    20,771,177.52/31,128,915.66 = 16,165,724.58/x
  3. Step 3: Cross multiply
    20,771,177.52x = 31,128,915.66 × 16,165,724.58
  4. Step 4: Simplify right side
    20,771,177.52x = 503,221,477,033,608.94
  5. Step 5: Solve for x
    x = 503,221,477,033,608.94/20,771,177.52
  6. Step 6: Final answer
    x = 24,226,911.38

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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.