Home / 15,141,181.92-20,894,916.06-8,614,811.22

Finding the Fourth Proportional to 15,141,181.92, 20,894,916.06 and 8,614,811.22

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Solution

The fourth proportional to 15,141,181.92, 20,894,916.06 and 8,614,811.22 is: 11,888,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,181.92 : 20,894,916.06 = 8,614,811.22 : x
  2. Step 2: Convert to fraction form
    15,141,181.92/20,894,916.06 = 8,614,811.22/x
  3. Step 3: Cross multiply
    15,141,181.92x = 20,894,916.06 × 8,614,811.22
  4. Step 4: Simplify right side
    15,141,181.92x = 180,005,757,314,646.19
  5. Step 5: Solve for x
    x = 180,005,757,314,646.19/15,141,181.92
  6. Step 6: Final answer
    x = 11,888,487.85

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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.