Home / 28,103,484.61-38,770,930.90-18,814,046.59

Finding the Fourth Proportional to 28,103,484.61, 38,770,930.90 and 18,814,046.59

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Solution

The fourth proportional to 28,103,484.61, 38,770,930.90 and 18,814,046.59 is: 25,955,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,103,484.61 : 38,770,930.90 = 18,814,046.59 : x
  2. Step 2: Convert to fraction form
    28,103,484.61/38,770,930.90 = 18,814,046.59/x
  3. Step 3: Cross multiply
    28,103,484.61x = 38,770,930.90 × 18,814,046.59
  4. Step 4: Simplify right side
    28,103,484.61x = 729,438,100,290,270.62
  5. Step 5: Solve for x
    x = 729,438,100,290,270.62/28,103,484.61
  6. Step 6: Final answer
    x = 25,955,432.59

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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.