Home / 18,157,138.92-25,056,097.56-9,897,019.47

Finding the Fourth Proportional to 18,157,138.92, 25,056,097.56 and 9,897,019.47

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Solution

The fourth proportional to 18,157,138.92, 25,056,097.56 and 9,897,019.47 is: 13,657,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157,138.92 : 25,056,097.56 = 9,897,019.47 : x
  2. Step 2: Convert to fraction form
    18,157,138.92/25,056,097.56 = 9,897,019.47/x
  3. Step 3: Cross multiply
    18,157,138.92x = 25,056,097.56 × 9,897,019.47
  4. Step 4: Simplify right side
    18,157,138.92x = 247,980,685,393,539.50
  5. Step 5: Solve for x
    x = 247,980,685,393,539.50/18,157,138.92
  6. Step 6: Final answer
    x = 13,657,475.80

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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.