Home / 9,691,311.24-13,374,594.90-5,340,390.12

Finding the Fourth Proportional to 9,691,311.24, 13,374,594.90 and 5,340,390.12

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Solution

The fourth proportional to 9,691,311.24, 13,374,594.90 and 5,340,390.12 is: 7,370,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,691,311.24 : 13,374,594.90 = 5,340,390.12 : x
  2. Step 2: Convert to fraction form
    9,691,311.24/13,374,594.90 = 5,340,390.12/x
  3. Step 3: Cross multiply
    9,691,311.24x = 13,374,594.90 × 5,340,390.12
  4. Step 4: Simplify right side
    9,691,311.24x = 71,425,554,462,962.39
  5. Step 5: Solve for x
    x = 71,425,554,462,962.39/9,691,311.24
  6. Step 6: Final answer
    x = 7,370,060.94

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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.