Home / 12,847,658.88-17,729,685.72-7,342,717.44

Finding the Fourth Proportional to 12,847,658.88, 17,729,685.72 and 7,342,717.44

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Solution

The fourth proportional to 12,847,658.88, 17,729,685.72 and 7,342,717.44 is: 10,132,902.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,847,658.88 : 17,729,685.72 = 7,342,717.44 : x
  2. Step 2: Convert to fraction form
    12,847,658.88/17,729,685.72 = 7,342,717.44/x
  3. Step 3: Cross multiply
    12,847,658.88x = 17,729,685.72 × 7,342,717.44
  4. Step 4: Simplify right side
    12,847,658.88x = 130,184,072,541,962.95
  5. Step 5: Solve for x
    x = 130,184,072,541,962.95/12,847,658.88
  6. Step 6: Final answer
    x = 10,132,902.33

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1.5x scale

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.