Home / 43,715,101.80-65,572,652.70-13,419,028.20

Finding the Fourth Proportional to 43,715,101.80, 65,572,652.70 and 13,419,028.20

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Solution

The fourth proportional to 43,715,101.80, 65,572,652.70 and 13,419,028.20 is: 20,128,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,715,101.80 : 65,572,652.70 = 13,419,028.20 : x
  2. Step 2: Convert to fraction form
    43,715,101.80/65,572,652.70 = 13,419,028.20/x
  3. Step 3: Cross multiply
    43,715,101.80x = 65,572,652.70 × 13,419,028.20
  4. Step 4: Simplify right side
    43,715,101.80x = 879,921,275,730,106.12
  5. Step 5: Solve for x
    x = 879,921,275,730,106.12/43,715,101.80
  6. Step 6: Final answer
    x = 20,128,542.30

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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.