Home / 12,316,631.72-16,993,218.82-8,595,363.76

Finding the Fourth Proportional to 12,316,631.72, 16,993,218.82 and 8,595,363.76

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Solution

The fourth proportional to 12,316,631.72, 16,993,218.82 and 8,595,363.76 is: 11,858,996.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,316,631.72 : 16,993,218.82 = 8,595,363.76 : x
  2. Step 2: Convert to fraction form
    12,316,631.72/16,993,218.82 = 8,595,363.76/x
  3. Step 3: Cross multiply
    12,316,631.72x = 16,993,218.82 × 8,595,363.76
  4. Step 4: Simplify right side
    12,316,631.72x = 146,062,897,211,177.97
  5. Step 5: Solve for x
    x = 146,062,897,211,177.97/12,316,631.72
  6. Step 6: Final answer
    x = 11,858,996.89

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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.