Home / 12,031,328.45-16,584,865.41-7,376,495.78

Finding the Fourth Proportional to 12,031,328.45, 16,584,865.41 and 7,376,495.78

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Solution

The fourth proportional to 12,031,328.45, 16,584,865.41 and 7,376,495.78 is: 10,168,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031,328.45 : 16,584,865.41 = 7,376,495.78 : x
  2. Step 2: Convert to fraction form
    12,031,328.45/16,584,865.41 = 7,376,495.78/x
  3. Step 3: Cross multiply
    12,031,328.45x = 16,584,865.41 × 7,376,495.78
  4. Step 4: Simplify right side
    12,031,328.45x = 122,338,189,708,732.97
  5. Step 5: Solve for x
    x = 122,338,189,708,732.97/12,031,328.45
  6. Step 6: Final answer
    x = 10,168,302.71

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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.