Home / 12,342,560.78-17,031,723.03-7,044,229.58

Finding the Fourth Proportional to 12,342,560.78, 17,031,723.03 and 7,044,229.58

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Solution

The fourth proportional to 12,342,560.78, 17,031,723.03 and 7,044,229.58 is: 9,720,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342,560.78 : 17,031,723.03 = 7,044,229.58 : x
  2. Step 2: Convert to fraction form
    12,342,560.78/17,031,723.03 = 7,044,229.58/x
  3. Step 3: Cross multiply
    12,342,560.78x = 17,031,723.03 × 7,044,229.58
  4. Step 4: Simplify right side
    12,342,560.78x = 119,975,367,166,293.23
  5. Step 5: Solve for x
    x = 119,975,367,166,293.23/12,342,560.78
  6. Step 6: Final answer
    x = 9,720,459.91

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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.