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Finding the Fourth Proportional to 8,967,607.32, 12,375,596.70 and 4,893,449.88

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Solution

The fourth proportional to 8,967,607.32, 12,375,596.70 and 4,893,449.88 is: 6,753,123.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967,607.32 : 12,375,596.70 = 4,893,449.88 : x
  2. Step 2: Convert to fraction form
    8,967,607.32/12,375,596.70 = 4,893,449.88/x
  3. Step 3: Cross multiply
    8,967,607.32x = 12,375,596.70 × 4,893,449.88
  4. Step 4: Simplify right side
    8,967,607.32x = 60,559,362,186,543.39
  5. Step 5: Solve for x
    x = 60,559,362,186,543.39/8,967,607.32
  6. Step 6: Final answer
    x = 6,753,123.77

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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.