Home / 18,157,076.61-25,056,011.76-9,896,957.12

Finding the Fourth Proportional to 18,157,076.61, 25,056,011.76 and 9,896,957.12

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Solution

The fourth proportional to 18,157,076.61, 25,056,011.76 and 9,896,957.12 is: 13,657,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157,076.61 : 25,056,011.76 = 9,896,957.12 : x
  2. Step 2: Convert to fraction form
    18,157,076.61/25,056,011.76 = 9,896,957.12/x
  3. Step 3: Cross multiply
    18,157,076.61x = 25,056,011.76 × 9,896,957.12
  4. Step 4: Simplify right side
    18,157,076.61x = 247,978,273,986,935.72
  5. Step 5: Solve for x
    x = 247,978,273,986,935.72/18,157,076.61
  6. Step 6: Final answer
    x = 13,657,389.86

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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.