Home / 18,453,003.60-27,679,505.40-17,109,310.80

Finding the Fourth Proportional to 18,453,003.60, 27,679,505.40 and 17,109,310.80

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Solution

The fourth proportional to 18,453,003.60, 27,679,505.40 and 17,109,310.80 is: 25,663,966.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,003.60 : 27,679,505.40 = 17,109,310.80 : x
  2. Step 2: Convert to fraction form
    18,453,003.60/27,679,505.40 = 17,109,310.80/x
  3. Step 3: Cross multiply
    18,453,003.60x = 27,679,505.40 × 17,109,310.80
  4. Step 4: Simplify right side
    18,453,003.60x = 473,577,260,678,878.31
  5. Step 5: Solve for x
    x = 473,577,260,678,878.31/18,453,003.60
  6. Step 6: Final answer
    x = 25,663,966.20

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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.