Home / 43,448,549.20-65,172,823.80-13,156,412.20

Finding the Fourth Proportional to 43,448,549.20, 65,172,823.80 and 13,156,412.20

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Solution

The fourth proportional to 43,448,549.20, 65,172,823.80 and 13,156,412.20 is: 19,734,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,448,549.20 : 65,172,823.80 = 13,156,412.20 : x
  2. Step 2: Convert to fraction form
    43,448,549.20/65,172,823.80 = 13,156,412.20/x
  3. Step 3: Cross multiply
    43,448,549.20x = 65,172,823.80 × 13,156,412.20
  4. Step 4: Simplify right side
    43,448,549.20x = 857,440,534,150,770.25
  5. Step 5: Solve for x
    x = 857,440,534,150,770.25/43,448,549.20
  6. Step 6: Final answer
    x = 19,734,618.30

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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.