Home / 18,383,517.40-27,575,276.10-12,714,813.40

Finding the Fourth Proportional to 18,383,517.40, 27,575,276.10 and 12,714,813.40

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Solution

The fourth proportional to 18,383,517.40, 27,575,276.10 and 12,714,813.40 is: 19,072,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383,517.40 : 27,575,276.10 = 12,714,813.40 : x
  2. Step 2: Convert to fraction form
    18,383,517.40/27,575,276.10 = 12,714,813.40/x
  3. Step 3: Cross multiply
    18,383,517.40x = 27,575,276.10 × 12,714,813.40
  4. Step 4: Simplify right side
    18,383,517.40x = 350,614,490,064,979.75
  5. Step 5: Solve for x
    x = 350,614,490,064,979.75/18,383,517.40
  6. Step 6: Final answer
    x = 19,072,220.10

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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.