Home / 12,224,126.10-18,319,156.92-9,187,949.55

Finding the Fourth Proportional to 12,224,126.10, 18,319,156.92 and 9,187,949.55

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Solution

The fourth proportional to 12,224,126.10, 18,319,156.92 and 9,187,949.55 is: 13,769,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224,126.10 : 18,319,156.92 = 9,187,949.55 : x
  2. Step 2: Convert to fraction form
    12,224,126.10/18,319,156.92 = 9,187,949.55/x
  3. Step 3: Cross multiply
    12,224,126.10x = 18,319,156.92 × 9,187,949.55
  4. Step 4: Simplify right side
    12,224,126.10x = 168,315,489,579,493.41
  5. Step 5: Solve for x
    x = 168,315,489,579,493.41/12,224,126.10
  6. Step 6: Final answer
    x = 13,769,122.49

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1.5x scale

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.