Home / 9,729,735.19-13,425,868.39-5,378,229.85

Finding the Fourth Proportional to 9,729,735.19, 13,425,868.39 and 5,378,229.85

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Solution

The fourth proportional to 9,729,735.19, 13,425,868.39 and 5,378,229.85 is: 7,421,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,729,735.19 : 13,425,868.39 = 5,378,229.85 : x
  2. Step 2: Convert to fraction form
    9,729,735.19/13,425,868.39 = 5,378,229.85/x
  3. Step 3: Cross multiply
    9,729,735.19x = 13,425,868.39 × 5,378,229.85
  4. Step 4: Simplify right side
    9,729,735.19x = 72,207,406,110,393.30
  5. Step 5: Solve for x
    x = 72,207,406,110,393.30/9,729,735.19
  6. Step 6: Final answer
    x = 7,421,312.58

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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.