Home / 11,707,897.32-17,543,640.24-8,120,673

Finding the Fourth Proportional to 11,707,897.32, 17,543,640.24 and 8,120,673

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Solution

The fourth proportional to 11,707,897.32, 17,543,640.24 and 8,120,673 is: 12,168,381.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707,897.32 : 17,543,640.24 = 8,120,673 : x
  2. Step 2: Convert to fraction form
    11,707,897.32/17,543,640.24 = 8,120,673/x
  3. Step 3: Cross multiply
    11,707,897.32x = 17,543,640.24 × 8,120,673
  4. Step 4: Simplify right side
    11,707,897.32x = 142,466,165,618,681.50
  5. Step 5: Solve for x
    x = 142,466,165,618,681.50/11,707,897.32
  6. Step 6: Final answer
    x = 12,168,381.88

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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.