Home / 12,453,008.40-18,679,512.60-10,327,244.40

Finding the Fourth Proportional to 12,453,008.40, 18,679,512.60 and 10,327,244.40

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Solution

The fourth proportional to 12,453,008.40, 18,679,512.60 and 10,327,244.40 is: 15,490,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453,008.40 : 18,679,512.60 = 10,327,244.40 : x
  2. Step 2: Convert to fraction form
    12,453,008.40/18,679,512.60 = 10,327,244.40/x
  3. Step 3: Cross multiply
    12,453,008.40x = 18,679,512.60 × 10,327,244.40
  4. Step 4: Simplify right side
    12,453,008.40x = 192,907,891,893,079.47
  5. Step 5: Solve for x
    x = 192,907,891,893,079.47/12,453,008.40
  6. Step 6: Final answer
    x = 15,490,866.60

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Similar ratio
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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.