Home / 13,672,875.60-20,482,279.80-11,991,877.20

Finding the Fourth Proportional to 13,672,875.60, 20,482,279.80 and 11,991,877.20

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Solution

The fourth proportional to 13,672,875.60, 20,482,279.80 and 11,991,877.20 is: 17,964,105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672,875.60 : 20,482,279.80 = 11,991,877.20 : x
  2. Step 2: Convert to fraction form
    13,672,875.60/20,482,279.80 = 11,991,877.20/x
  3. Step 3: Cross multiply
    13,672,875.60x = 20,482,279.80 × 11,991,877.20
  4. Step 4: Simplify right side
    13,672,875.60x = 245,620,984,137,640.56
  5. Step 5: Solve for x
    x = 245,620,984,137,640.56/13,672,875.60
  6. Step 6: Final answer
    x = 17,964,105.82

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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.