Home / 7,142,977.85-9,854,531.28-4,044,789.81

Finding the Fourth Proportional to 7,142,977.85, 9,854,531.28 and 4,044,789.81

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Solution

The fourth proportional to 7,142,977.85, 9,854,531.28 and 4,044,789.81 is: 5,580,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142,977.85 : 9,854,531.28 = 4,044,789.81 : x
  2. Step 2: Convert to fraction form
    7,142,977.85/9,854,531.28 = 4,044,789.81/x
  3. Step 3: Cross multiply
    7,142,977.85x = 9,854,531.28 × 4,044,789.81
  4. Step 4: Simplify right side
    7,142,977.85x = 39,859,507,703,670.26
  5. Step 5: Solve for x
    x = 39,859,507,703,670.26/7,142,977.85
  6. Step 6: Final answer
    x = 5,580,236.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.