Home / 12,923,559.18-17,835,352.74-7,418,715.75

Finding the Fourth Proportional to 12,923,559.18, 17,835,352.74 and 7,418,715.75

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Solution

The fourth proportional to 12,923,559.18, 17,835,352.74 and 7,418,715.75 is: 10,238,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,559.18 : 17,835,352.74 = 7,418,715.75 : x
  2. Step 2: Convert to fraction form
    12,923,559.18/17,835,352.74 = 7,418,715.75/x
  3. Step 3: Cross multiply
    12,923,559.18x = 17,835,352.74 × 7,418,715.75
  4. Step 4: Simplify right side
    12,923,559.18x = 132,315,412,279,043.64
  5. Step 5: Solve for x
    x = 132,315,412,279,043.64/12,923,559.18
  6. Step 6: Final answer
    x = 10,238,310.55

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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.