Home / 12,500,169-18,752,049.78-3,864,943

Finding the Fourth Proportional to 12,500,169, 18,752,049.78 and 3,864,943

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Solution

The fourth proportional to 12,500,169, 18,752,049.78 and 3,864,943 is: 5,797,969.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,169 : 18,752,049.78 = 3,864,943 : x
  2. Step 2: Convert to fraction form
    12,500,169/18,752,049.78 = 3,864,943/x
  3. Step 3: Cross multiply
    12,500,169x = 18,752,049.78 × 3,864,943
  4. Step 4: Simplify right side
    12,500,169x = 72,475,603,532,862.55
  5. Step 5: Solve for x
    x = 72,475,603,532,862.55/12,500,169
  6. Step 6: Final answer
    x = 5,797,969.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.