Home / 21,480,601.44-29,635,751.16-12,187,076.16

Finding the Fourth Proportional to 21,480,601.44, 29,635,751.16 and 12,187,076.16

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Solution

The fourth proportional to 21,480,601.44, 29,635,751.16 and 12,187,076.16 is: 16,813,921.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,480,601.44 : 29,635,751.16 = 12,187,076.16 : x
  2. Step 2: Convert to fraction form
    21,480,601.44/29,635,751.16 = 12,187,076.16/x
  3. Step 3: Cross multiply
    21,480,601.44x = 29,635,751.16 × 12,187,076.16
  4. Step 4: Simplify right side
    21,480,601.44x = 361,173,156,445,728.38
  5. Step 5: Solve for x
    x = 361,173,156,445,728.38/21,480,601.44
  6. Step 6: Final answer
    x = 16,813,921.97

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1.5x scale

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.