Home / 21,787,939.20-32,681,908.80-16,119,235.20

Finding the Fourth Proportional to 21,787,939.20, 32,681,908.80 and 16,119,235.20

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Solution

The fourth proportional to 21,787,939.20, 32,681,908.80 and 16,119,235.20 is: 24,178,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,787,939.20 : 32,681,908.80 = 16,119,235.20 : x
  2. Step 2: Convert to fraction form
    21,787,939.20/32,681,908.80 = 16,119,235.20/x
  3. Step 3: Cross multiply
    21,787,939.20x = 32,681,908.80 × 16,119,235.20
  4. Step 4: Simplify right side
    21,787,939.20x = 526,807,374,732,149.75
  5. Step 5: Solve for x
    x = 526,807,374,732,149.75/21,787,939.20
  6. Step 6: Final answer
    x = 24,178,852.80

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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.