Home / 27,920,436.60-38,532,529.44-15,532,863.60

Finding the Fourth Proportional to 27,920,436.60, 38,532,529.44 and 15,532,863.60

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Solution

The fourth proportional to 27,920,436.60, 38,532,529.44 and 15,532,863.60 is: 21,436,646.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920,436.60 : 38,532,529.44 = 15,532,863.60 : x
  2. Step 2: Convert to fraction form
    27,920,436.60/38,532,529.44 = 15,532,863.60/x
  3. Step 3: Cross multiply
    27,920,436.60x = 38,532,529.44 × 15,532,863.60
  4. Step 4: Simplify right side
    27,920,436.60x = 598,520,523,954,504.38
  5. Step 5: Solve for x
    x = 598,520,523,954,504.38/27,920,436.60
  6. Step 6: Final answer
    x = 21,436,646.30

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1.5x scale

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.