Home / 20,589,098.56-28,416,362.08-11,424,693.76

Finding the Fourth Proportional to 20,589,098.56, 28,416,362.08 and 11,424,693.76

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Solution

The fourth proportional to 20,589,098.56, 28,416,362.08 and 11,424,693.76 is: 15,767,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589,098.56 : 28,416,362.08 = 11,424,693.76 : x
  2. Step 2: Convert to fraction form
    20,589,098.56/28,416,362.08 = 11,424,693.76/x
  3. Step 3: Cross multiply
    20,589,098.56x = 28,416,362.08 × 11,424,693.76
  4. Step 4: Simplify right side
    20,589,098.56x = 324,648,234,537,276.62
  5. Step 5: Solve for x
    x = 324,648,234,537,276.62/20,589,098.56
  6. Step 6: Final answer
    x = 15,767,967.38

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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.