Home / 8,190,217.60-12,285,326.40-8,064,246.40

Finding the Fourth Proportional to 8,190,217.60, 12,285,326.40 and 8,064,246.40

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Solution

The fourth proportional to 8,190,217.60, 12,285,326.40 and 8,064,246.40 is: 12,096,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,217.60 : 12,285,326.40 = 8,064,246.40 : x
  2. Step 2: Convert to fraction form
    8,190,217.60/12,285,326.40 = 8,064,246.40/x
  3. Step 3: Cross multiply
    8,190,217.60x = 12,285,326.40 × 8,064,246.40
  4. Step 4: Simplify right side
    8,190,217.60x = 99,071,899,194,024.97
  5. Step 5: Solve for x
    x = 99,071,899,194,024.97/8,190,217.60
  6. Step 6: Final answer
    x = 12,096,369.60

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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.