Home / 15,153,681.92-20,917,064.64-12,061,876.64

Finding the Fourth Proportional to 15,153,681.92, 20,917,064.64 and 12,061,876.64

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Solution

The fourth proportional to 15,153,681.92, 20,917,064.64 and 12,061,876.64 is: 16,649,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153,681.92 : 20,917,064.64 = 12,061,876.64 : x
  2. Step 2: Convert to fraction form
    15,153,681.92/20,917,064.64 = 12,061,876.64/x
  3. Step 3: Cross multiply
    15,153,681.92x = 20,917,064.64 × 12,061,876.64
  4. Step 4: Simplify right side
    15,153,681.92x = 252,299,053,358,586.03
  5. Step 5: Solve for x
    x = 252,299,053,358,586.03/15,153,681.92
  6. Step 6: Final answer
    x = 16,649,356.55

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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.