Home / 9,021,387.60-13,532,081.40-8,383,658.40

Finding the Fourth Proportional to 9,021,387.60, 13,532,081.40 and 8,383,658.40

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Solution

The fourth proportional to 9,021,387.60, 13,532,081.40 and 8,383,658.40 is: 12,575,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,387.60 : 13,532,081.40 = 8,383,658.40 : x
  2. Step 2: Convert to fraction form
    9,021,387.60/13,532,081.40 = 8,383,658.40/x
  3. Step 3: Cross multiply
    9,021,387.60x = 13,532,081.40 × 8,383,658.40
  4. Step 4: Simplify right side
    9,021,387.60x = 113,448,347,898,593.77
  5. Step 5: Solve for x
    x = 113,448,347,898,593.77/9,021,387.60
  6. Step 6: Final answer
    x = 12,575,487.60

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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.