Home / 18,453,627.60-27,680,441.40-5,674,111.80

Finding the Fourth Proportional to 18,453,627.60, 27,680,441.40 and 5,674,111.80

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Solution

The fourth proportional to 18,453,627.60, 27,680,441.40 and 5,674,111.80 is: 8,511,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,627.60 : 27,680,441.40 = 5,674,111.80 : x
  2. Step 2: Convert to fraction form
    18,453,627.60/27,680,441.40 = 5,674,111.80/x
  3. Step 3: Cross multiply
    18,453,627.60x = 27,680,441.40 × 5,674,111.80
  4. Step 4: Simplify right side
    18,453,627.60x = 157,061,919,176,948.50
  5. Step 5: Solve for x
    x = 157,061,919,176,948.50/18,453,627.60
  6. Step 6: Final answer
    x = 8,511,167.70

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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.