Home / 10,347,712.70-15,521,569.05-10,248,179.90

Finding the Fourth Proportional to 10,347,712.70, 15,521,569.05 and 10,248,179.90

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Solution

The fourth proportional to 10,347,712.70, 15,521,569.05 and 10,248,179.90 is: 15,372,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,347,712.70 : 15,521,569.05 = 10,248,179.90 : x
  2. Step 2: Convert to fraction form
    10,347,712.70/15,521,569.05 = 10,248,179.90/x
  3. Step 3: Cross multiply
    10,347,712.70x = 15,521,569.05 × 10,248,179.90
  4. Step 4: Simplify right side
    10,347,712.70x = 159,067,831,954,672.09
  5. Step 5: Solve for x
    x = 159,067,831,954,672.09/10,347,712.70
  6. Step 6: Final answer
    x = 15,372,269.85

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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.