Home / 9,659,404.40-14,489,106.60-5,180,428.40

Finding the Fourth Proportional to 9,659,404.40, 14,489,106.60 and 5,180,428.40

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Solution

The fourth proportional to 9,659,404.40, 14,489,106.60 and 5,180,428.40 is: 7,770,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,659,404.40 : 14,489,106.60 = 5,180,428.40 : x
  2. Step 2: Convert to fraction form
    9,659,404.40/14,489,106.60 = 5,180,428.40/x
  3. Step 3: Cross multiply
    9,659,404.40x = 14,489,106.60 × 5,180,428.40
  4. Step 4: Simplify right side
    9,659,404.40x = 75,059,779,321,267.44
  5. Step 5: Solve for x
    x = 75,059,779,321,267.44/9,659,404.40
  6. Step 6: Final answer
    x = 7,770,642.60

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Double scale
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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.