Home / 10,198,094.40-15,261,712.20-9,347,788.80

Finding the Fourth Proportional to 10,198,094.40, 15,261,712.20 and 9,347,788.80

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Solution

The fourth proportional to 10,198,094.40, 15,261,712.20 and 9,347,788.80 is: 13,989,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198,094.40 : 15,261,712.20 = 9,347,788.80 : x
  2. Step 2: Convert to fraction form
    10,198,094.40/15,261,712.20 = 9,347,788.80/x
  3. Step 3: Cross multiply
    10,198,094.40x = 15,261,712.20 × 9,347,788.80
  4. Step 4: Simplify right side
    10,198,094.40x = 142,663,262,371,983.38
  5. Step 5: Solve for x
    x = 142,663,262,371,983.38/10,198,094.40
  6. Step 6: Final answer
    x = 13,989,207.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.