Home / 8,675,532.72-12,935,737.42-8,437,178.30

Finding the Fourth Proportional to 8,675,532.72, 12,935,737.42 and 8,437,178.30

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Solution

The fourth proportional to 8,675,532.72, 12,935,737.42 and 8,437,178.30 is: 12,580,336.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675,532.72 : 12,935,737.42 = 8,437,178.30 : x
  2. Step 2: Convert to fraction form
    8,675,532.72/12,935,737.42 = 8,437,178.30/x
  3. Step 3: Cross multiply
    8,675,532.72x = 12,935,737.42 × 8,437,178.30
  4. Step 4: Simplify right side
    8,675,532.72x = 109,141,122,968,750.36
  5. Step 5: Solve for x
    x = 109,141,122,968,750.36/8,675,532.72
  6. Step 6: Final answer
    x = 12,580,336.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.