Home / 13,418,381.74-20,108,951.13-6,113,990.52

Finding the Fourth Proportional to 13,418,381.74, 20,108,951.13 and 6,113,990.52

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Solution

The fourth proportional to 13,418,381.74, 20,108,951.13 and 6,113,990.52 is: 9,162,501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418,381.74 : 20,108,951.13 = 6,113,990.52 : x
  2. Step 2: Convert to fraction form
    13,418,381.74/20,108,951.13 = 6,113,990.52/x
  3. Step 3: Cross multiply
    13,418,381.74x = 20,108,951.13 × 6,113,990.52
  4. Step 4: Simplify right side
    13,418,381.74x = 122,945,936,638,248.52
  5. Step 5: Solve for x
    x = 122,945,936,638,248.52/13,418,381.74
  6. Step 6: Final answer
    x = 9,162,501.04

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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.