Home / 12,377,368.95-18,561,848.46-4,288,456.49

Finding the Fourth Proportional to 12,377,368.95, 18,561,848.46 and 4,288,456.49

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Solution

The fourth proportional to 12,377,368.95, 18,561,848.46 and 4,288,456.49 is: 6,431,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377,368.95 : 18,561,848.46 = 4,288,456.49 : x
  2. Step 2: Convert to fraction form
    12,377,368.95/18,561,848.46 = 4,288,456.49/x
  3. Step 3: Cross multiply
    12,377,368.95x = 18,561,848.46 × 4,288,456.49
  4. Step 4: Simplify right side
    12,377,368.95x = 79,601,679,385,792.56
  5. Step 5: Solve for x
    x = 79,601,679,385,792.56/12,377,368.95
  6. Step 6: Final answer
    x = 6,431,227.81

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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.