Home / 13,573,806-18,732,240-8,275,806.72

Finding the Fourth Proportional to 13,573,806, 18,732,240 and 8,275,806.72

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Solution

The fourth proportional to 13,573,806, 18,732,240 and 8,275,806.72 is: 11,420,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573,806 : 18,732,240 = 8,275,806.72 : x
  2. Step 2: Convert to fraction form
    13,573,806/18,732,240 = 8,275,806.72/x
  3. Step 3: Cross multiply
    13,573,806x = 18,732,240 × 8,275,806.72
  4. Step 4: Simplify right side
    13,573,806x = 155,024,397,672,652.78
  5. Step 5: Solve for x
    x = 155,024,397,672,652.78/13,573,806
  6. Step 6: Final answer
    x = 11,420,849.66

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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.