Home / 18,157,100.67-25,056,044.82-9,896,981.22

Finding the Fourth Proportional to 18,157,100.67, 25,056,044.82 and 9,896,981.22

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Solution

The fourth proportional to 18,157,100.67, 25,056,044.82 and 9,896,981.22 is: 13,657,423.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157,100.67 : 25,056,044.82 = 9,896,981.22 : x
  2. Step 2: Convert to fraction form
    18,157,100.67/25,056,044.82 = 9,896,981.22/x
  3. Step 3: Cross multiply
    18,157,100.67x = 25,056,044.82 × 9,896,981.22
  4. Step 4: Simplify right side
    18,157,100.67x = 247,979,205,031,018.31
  5. Step 5: Solve for x
    x = 247,979,205,031,018.31/18,157,100.67
  6. Step 6: Final answer
    x = 13,657,423.04

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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.