Home / 18,157,132.92-25,056,089.28-9,897,013.44

Finding the Fourth Proportional to 18,157,132.92, 25,056,089.28 and 9,897,013.44

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Solution

The fourth proportional to 18,157,132.92, 25,056,089.28 and 9,897,013.44 is: 13,657,467.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157,132.92 : 25,056,089.28 = 9,897,013.44 : x
  2. Step 2: Convert to fraction form
    18,157,132.92/25,056,089.28 = 9,897,013.44/x
  3. Step 3: Cross multiply
    18,157,132.92x = 25,056,089.28 × 9,897,013.44
  4. Step 4: Simplify right side
    18,157,132.92x = 247,980,452,357,999.94
  5. Step 5: Solve for x
    x = 247,980,452,357,999.94/18,157,132.92
  6. Step 6: Final answer
    x = 13,657,467.48

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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.