Home / 21,787,947.20-32,681,920.80-16,119,243.20

Finding the Fourth Proportional to 21,787,947.20, 32,681,920.80 and 16,119,243.20

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Solution

The fourth proportional to 21,787,947.20, 32,681,920.80 and 16,119,243.20 is: 24,178,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787,947.20 : 32,681,920.80 = 16,119,243.20 : x
  2. Step 2: Convert to fraction form
    21,787,947.20/32,681,920.80 = 16,119,243.20/x
  3. Step 3: Cross multiply
    21,787,947.20x = 32,681,920.80 × 16,119,243.20
  4. Step 4: Simplify right side
    21,787,947.20x = 526,807,829,618,338.56
  5. Step 5: Solve for x
    x = 526,807,829,618,338.56/21,787,947.20
  6. Step 6: Final answer
    x = 24,178,864.80

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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.