Home / 20,737,591.20-31,106,386.80-16,454,570.40

Finding the Fourth Proportional to 20,737,591.20, 31,106,386.80 and 16,454,570.40

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Solution

The fourth proportional to 20,737,591.20, 31,106,386.80 and 16,454,570.40 is: 24,681,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,591.20 : 31,106,386.80 = 16,454,570.40 : x
  2. Step 2: Convert to fraction form
    20,737,591.20/31,106,386.80 = 16,454,570.40/x
  3. Step 3: Cross multiply
    20,737,591.20x = 31,106,386.80 × 16,454,570.40
  4. Step 4: Simplify right side
    20,737,591.20x = 511,842,231,490,230.75
  5. Step 5: Solve for x
    x = 511,842,231,490,230.75/20,737,591.20
  6. Step 6: Final answer
    x = 24,681,855.60

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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.