Home / 13,655,659.76-20,486,540.10-5,136,070.04

Finding the Fourth Proportional to 13,655,659.76, 20,486,540.10 and 5,136,070.04

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Solution

The fourth proportional to 13,655,659.76, 20,486,540.10 and 5,136,070.04 is: 7,705,252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,655,659.76 : 20,486,540.10 = 5,136,070.04 : x
  2. Step 2: Convert to fraction form
    13,655,659.76/20,486,540.10 = 5,136,070.04/x
  3. Step 3: Cross multiply
    13,655,659.76x = 20,486,540.10 × 5,136,070.04
  4. Step 4: Simplify right side
    13,655,659.76x = 105,220,304,830,868.61
  5. Step 5: Solve for x
    x = 105,220,304,830,868.61/13,655,659.76
  6. Step 6: Final answer
    x = 7,705,252.38

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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.