Home / 18,159,420.18-25,060,168.89-10,010,949.78

Finding the Fourth Proportional to 18,159,420.18, 25,060,168.89 and 10,010,949.78

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Solution

The fourth proportional to 18,159,420.18, 25,060,168.89 and 10,010,949.78 is: 13,815,203.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159,420.18 : 25,060,168.89 = 10,010,949.78 : x
  2. Step 2: Convert to fraction form
    18,159,420.18/25,060,168.89 = 10,010,949.78/x
  3. Step 3: Cross multiply
    18,159,420.18x = 25,060,168.89 × 10,010,949.78
  4. Step 4: Simplify right side
    18,159,420.18x = 250,876,092,236,108.34
  5. Step 5: Solve for x
    x = 250,876,092,236,108.34/18,159,420.18
  6. Step 6: Final answer
    x = 13,815,203.89

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1.5x scale

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.