Home / 12,031,331.21-16,584,869.21-7,376,498.54

Finding the Fourth Proportional to 12,031,331.21, 16,584,869.21 and 7,376,498.54

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Solution

The fourth proportional to 12,031,331.21, 16,584,869.21 and 7,376,498.54 is: 10,168,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031,331.21 : 16,584,869.21 = 7,376,498.54 : x
  2. Step 2: Convert to fraction form
    12,031,331.21/16,584,869.21 = 7,376,498.54/x
  3. Step 3: Cross multiply
    12,031,331.21x = 16,584,869.21 × 7,376,498.54
  4. Step 4: Simplify right side
    12,031,331.21x = 122,338,263,393,849.12
  5. Step 5: Solve for x
    x = 122,338,263,393,849.12/12,031,331.21
  6. Step 6: Final answer
    x = 10,168,306.51

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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.