Home / 21,397,638.68-29,528,726.34-11,608,084.72

Finding the Fourth Proportional to 21,397,638.68, 29,528,726.34 and 11,608,084.72

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Solution

The fourth proportional to 21,397,638.68, 29,528,726.34 and 11,608,084.72 is: 16,019,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397,638.68 : 29,528,726.34 = 11,608,084.72 : x
  2. Step 2: Convert to fraction form
    21,397,638.68/29,528,726.34 = 11,608,084.72/x
  3. Step 3: Cross multiply
    21,397,638.68x = 29,528,726.34 × 11,608,084.72
  4. Step 4: Simplify right side
    21,397,638.68x = 342,771,957,108,856.75
  5. Step 5: Solve for x
    x = 342,771,957,108,856.75/21,397,638.68
  6. Step 6: Final answer
    x = 16,019,148.76

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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.