Home / 18,740,671.64-28,060,294.56-12,247,570.70

Finding the Fourth Proportional to 18,740,671.64, 28,060,294.56 and 12,247,570.70

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Solution

The fourth proportional to 18,740,671.64, 28,060,294.56 and 12,247,570.70 is: 18,338,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740,671.64 : 28,060,294.56 = 12,247,570.70 : x
  2. Step 2: Convert to fraction form
    18,740,671.64/28,060,294.56 = 12,247,570.70/x
  3. Step 3: Cross multiply
    18,740,671.64x = 28,060,294.56 × 12,247,570.70
  4. Step 4: Simplify right side
    18,740,671.64x = 343,670,441,346,123.94
  5. Step 5: Solve for x
    x = 343,670,441,346,123.94/18,740,671.64
  6. Step 6: Final answer
    x = 18,338,213.70

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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.