Home / 13,013,778.46-17,948,542.60-11,440,546.50

Finding the Fourth Proportional to 13,013,778.46, 17,948,542.60 and 11,440,546.50

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Solution

The fourth proportional to 13,013,778.46, 17,948,542.60 and 11,440,546.50 is: 15,778,748.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013,778.46 : 17,948,542.60 = 11,440,546.50 : x
  2. Step 2: Convert to fraction form
    13,013,778.46/17,948,542.60 = 11,440,546.50/x
  3. Step 3: Cross multiply
    13,013,778.46x = 17,948,542.60 × 11,440,546.50
  4. Step 4: Simplify right side
    13,013,778.46x = 205,341,136,222,530.91
  5. Step 5: Solve for x
    x = 205,341,136,222,530.91/13,013,778.46
  6. Step 6: Final answer
    x = 15,778,748.41

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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.