Home / 20,625,675.66-28,453,480.38-13,741,349.58

Finding the Fourth Proportional to 20,625,675.66, 28,453,480.38 and 13,741,349.58

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Solution

The fourth proportional to 20,625,675.66, 28,453,480.38 and 13,741,349.58 is: 18,956,432.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625,675.66 : 28,453,480.38 = 13,741,349.58 : x
  2. Step 2: Convert to fraction form
    20,625,675.66/28,453,480.38 = 13,741,349.58/x
  3. Step 3: Cross multiply
    20,625,675.66x = 28,453,480.38 × 13,741,349.58
  4. Step 4: Simplify right side
    20,625,675.66x = 390,989,220,669,251.25
  5. Step 5: Solve for x
    x = 390,989,220,669,251.25/20,625,675.66
  6. Step 6: Final answer
    x = 18,956,432.12

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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.