Home / 20,912,249.80-31,368,374.70-16,607,577.70

Finding the Fourth Proportional to 20,912,249.80, 31,368,374.70 and 16,607,577.70

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Solution

The fourth proportional to 20,912,249.80, 31,368,374.70 and 16,607,577.70 is: 24,911,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,912,249.80 : 31,368,374.70 = 16,607,577.70 : x
  2. Step 2: Convert to fraction form
    20,912,249.80/31,368,374.70 = 16,607,577.70/x
  3. Step 3: Cross multiply
    20,912,249.80x = 31,368,374.70 × 16,607,577.70
  4. Step 4: Simplify right side
    20,912,249.80x = 520,952,720,152,964.12
  5. Step 5: Solve for x
    x = 520,952,720,152,964.12/20,912,249.80
  6. Step 6: Final answer
    x = 24,911,366.55

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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.