Home / 8,342,723.16-11,507,010.24-7,656,606.72

Finding the Fourth Proportional to 8,342,723.16, 11,507,010.24 and 7,656,606.72

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Solution

The fourth proportional to 8,342,723.16, 11,507,010.24 and 7,656,606.72 is: 10,560,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342,723.16 : 11,507,010.24 = 7,656,606.72 : x
  2. Step 2: Convert to fraction form
    8,342,723.16/11,507,010.24 = 7,656,606.72/x
  3. Step 3: Cross multiply
    8,342,723.16x = 11,507,010.24 × 7,656,606.72
  4. Step 4: Simplify right side
    8,342,723.16x = 88,104,651,930,692.81
  5. Step 5: Solve for x
    x = 88,104,651,930,692.81/8,342,723.16
  6. Step 6: Final answer
    x = 10,560,658.70

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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.