Home / 8,512,726.40-12,752,500.80-5,136,905.60

Finding the Fourth Proportional to 8,512,726.40, 12,752,500.80 and 5,136,905.60

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Solution

The fourth proportional to 8,512,726.40, 12,752,500.80 and 5,136,905.60 is: 7,695,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512,726.40 : 12,752,500.80 = 5,136,905.60 : x
  2. Step 2: Convert to fraction form
    8,512,726.40/12,752,500.80 = 5,136,905.60/x
  3. Step 3: Cross multiply
    8,512,726.40x = 12,752,500.80 × 5,136,905.60
  4. Step 4: Simplify right side
    8,512,726.40x = 65,508,392,773,524.48
  5. Step 5: Solve for x
    x = 65,508,392,773,524.48/8,512,726.40
  6. Step 6: Final answer
    x = 7,695,348.08

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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.