Home / 20,736,007.70-31,104,011.56-16,452,986.90

Finding the Fourth Proportional to 20,736,007.70, 31,104,011.56 and 16,452,986.90

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Solution

The fourth proportional to 20,736,007.70, 31,104,011.56 and 16,452,986.90 is: 24,679,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,007.70 : 31,104,011.56 = 16,452,986.90 : x
  2. Step 2: Convert to fraction form
    20,736,007.70/31,104,011.56 = 16,452,986.90/x
  3. Step 3: Cross multiply
    20,736,007.70x = 31,104,011.56 × 16,452,986.90
  4. Step 4: Simplify right side
    20,736,007.70x = 511,753,894,734,128.56
  5. Step 5: Solve for x
    x = 511,753,894,734,128.56/20,736,007.70
  6. Step 6: Final answer
    x = 24,679,480.36

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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.