Home / 5,418,559.15-8,129,645.53-3,604,077.38

Finding the Fourth Proportional to 5,418,559.15, 8,129,645.53 and 3,604,077.38

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Solution

The fourth proportional to 5,418,559.15, 8,129,645.53 and 3,604,077.38 is: 5,407,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,559.15 : 8,129,645.53 = 3,604,077.38 : x
  2. Step 2: Convert to fraction form
    5,418,559.15/8,129,645.53 = 3,604,077.38/x
  3. Step 3: Cross multiply
    5,418,559.15x = 8,129,645.53 × 3,604,077.38
  4. Step 4: Simplify right side
    5,418,559.15x = 29,299,871,503,422.50
  5. Step 5: Solve for x
    x = 29,299,871,503,422.50/5,418,559.15
  6. Step 6: Final answer
    x = 5,407,317.83

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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.