Home / 43,673,468.11-65,507,840.20-13,381,418.59

Finding the Fourth Proportional to 43,673,468.11, 65,507,840.20 and 13,381,418.59

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Solution

The fourth proportional to 43,673,468.11, 65,507,840.20 and 13,381,418.59 is: 20,071,404.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,673,468.11 : 65,507,840.20 = 13,381,418.59 : x
  2. Step 2: Convert to fraction form
    43,673,468.11/65,507,840.20 = 13,381,418.59/x
  3. Step 3: Cross multiply
    43,673,468.11x = 65,507,840.20 × 13,381,418.59
  4. Step 4: Simplify right side
    43,673,468.11x = 876,587,830,643,029.38
  5. Step 5: Solve for x
    x = 876,587,830,643,029.38/43,673,468.11
  6. Step 6: Final answer
    x = 20,071,404.19

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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.