Home / 15,078,737.81-20,808,002.41-8,372,652.91

Finding the Fourth Proportional to 15,078,737.81, 20,808,002.41 and 8,372,652.91

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Solution

The fourth proportional to 15,078,737.81, 20,808,002.41 and 8,372,652.91 is: 11,553,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,078,737.81 : 20,808,002.41 = 8,372,652.91 : x
  2. Step 2: Convert to fraction form
    15,078,737.81/20,808,002.41 = 8,372,652.91/x
  3. Step 3: Cross multiply
    15,078,737.81x = 20,808,002.41 × 8,372,652.91
  4. Step 4: Simplify right side
    15,078,737.81x = 174,218,181,856,421.88
  5. Step 5: Solve for x
    x = 174,218,181,856,421.88/15,078,737.81
  6. Step 6: Final answer
    x = 11,553,896.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.