Home / 18,157,123.92-25,056,076.89-9,897,004.47

Finding the Fourth Proportional to 18,157,123.92, 25,056,076.89 and 9,897,004.47

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Solution

The fourth proportional to 18,157,123.92, 25,056,076.89 and 9,897,004.47 is: 13,657,455.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157,123.92 : 25,056,076.89 = 9,897,004.47 : x
  2. Step 2: Convert to fraction form
    18,157,123.92/25,056,076.89 = 9,897,004.47/x
  3. Step 3: Cross multiply
    18,157,123.92x = 25,056,076.89 × 9,897,004.47
  4. Step 4: Simplify right side
    18,157,123.92x = 247,980,104,980,993.72
  5. Step 5: Solve for x
    x = 247,980,104,980,993.72/18,157,123.92
  6. Step 6: Final answer
    x = 13,657,455.12

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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.