Home / 14,186,232.40-21,279,348.60-8,512,862.80

Finding the Fourth Proportional to 14,186,232.40, 21,279,348.60 and 8,512,862.80

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Solution

The fourth proportional to 14,186,232.40, 21,279,348.60 and 8,512,862.80 is: 12,769,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186,232.40 : 21,279,348.60 = 8,512,862.80 : x
  2. Step 2: Convert to fraction form
    14,186,232.40/21,279,348.60 = 8,512,862.80/x
  3. Step 3: Cross multiply
    14,186,232.40x = 21,279,348.60 × 8,512,862.80
  4. Step 4: Simplify right side
    14,186,232.40x = 181,148,175,105,172.09
  5. Step 5: Solve for x
    x = 181,148,175,105,172.09/14,186,232.40
  6. Step 6: Final answer
    x = 12,769,294.20

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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.