Home / 28,540,151.38-39,385,515.99-15,487,412.98

Finding the Fourth Proportional to 28,540,151.38, 39,385,515.99 and 15,487,412.98

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Solution

The fourth proportional to 28,540,151.38, 39,385,515.99 and 15,487,412.98 is: 21,372,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540,151.38 : 39,385,515.99 = 15,487,412.98 : x
  2. Step 2: Convert to fraction form
    28,540,151.38/39,385,515.99 = 15,487,412.98/x
  3. Step 3: Cross multiply
    28,540,151.38x = 39,385,515.99 × 15,487,412.98
  4. Step 4: Simplify right side
    28,540,151.38x = 609,979,751,567,523.62
  5. Step 5: Solve for x
    x = 609,979,751,567,523.62/28,540,151.38
  6. Step 6: Final answer
    x = 21,372,688.02

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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.