Home / 15,035,480.25-20,748,962.72-8,159,962.31

Finding the Fourth Proportional to 15,035,480.25, 20,748,962.72 and 8,159,962.31

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Solution

The fourth proportional to 15,035,480.25, 20,748,962.72 and 8,159,962.31 is: 11,260,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035,480.25 : 20,748,962.72 = 8,159,962.31 : x
  2. Step 2: Convert to fraction form
    15,035,480.25/20,748,962.72 = 8,159,962.31/x
  3. Step 3: Cross multiply
    15,035,480.25x = 20,748,962.72 × 8,159,962.31
  4. Step 4: Simplify right side
    15,035,480.25x = 169,310,753,766,795.06
  5. Step 5: Solve for x
    x = 169,310,753,766,795.06/15,035,480.25
  6. Step 6: Final answer
    x = 11,260,747.97

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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.