Home / 15,359,535.72-21,195,753.30-8,483,870.16

Finding the Fourth Proportional to 15,359,535.72, 21,195,753.30 and 8,483,870.16

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Solution

The fourth proportional to 15,359,535.72, 21,195,753.30 and 8,483,870.16 is: 11,707,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359,535.72 : 21,195,753.30 = 8,483,870.16 : x
  2. Step 2: Convert to fraction form
    15,359,535.72/21,195,753.30 = 8,483,870.16/x
  3. Step 3: Cross multiply
    15,359,535.72x = 21,195,753.30 × 8,483,870.16
  4. Step 4: Simplify right side
    15,359,535.72x = 179,822,018,940,591.53
  5. Step 5: Solve for x
    x = 179,822,018,940,591.53/15,359,535.72
  6. Step 6: Final answer
    x = 11,707,516.57

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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.