Home / 14,958,338.18-20,644,146.96-8,680,248.50

Finding the Fourth Proportional to 14,958,338.18, 20,644,146.96 and 8,680,248.50

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Solution

The fourth proportional to 14,958,338.18, 20,644,146.96 and 8,680,248.50 is: 11,979,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,958,338.18 : 20,644,146.96 = 8,680,248.50 : x
  2. Step 2: Convert to fraction form
    14,958,338.18/20,644,146.96 = 8,680,248.50/x
  3. Step 3: Cross multiply
    14,958,338.18x = 20,644,146.96 × 8,680,248.50
  4. Step 4: Simplify right side
    14,958,338.18x = 179,196,325,683,319.56
  5. Step 5: Solve for x
    x = 179,196,325,683,319.56/14,958,338.18
  6. Step 6: Final answer
    x = 11,979,694.77

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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.