Home / 8,190,306.60-12,285,459.90-8,064,335.40

Finding the Fourth Proportional to 8,190,306.60, 12,285,459.90 and 8,064,335.40

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Solution

The fourth proportional to 8,190,306.60, 12,285,459.90 and 8,064,335.40 is: 12,096,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,306.60 : 12,285,459.90 = 8,064,335.40 : x
  2. Step 2: Convert to fraction form
    8,190,306.60/12,285,459.90 = 8,064,335.40/x
  3. Step 3: Cross multiply
    8,190,306.60x = 12,285,459.90 × 8,064,335.40
  4. Step 4: Simplify right side
    8,190,306.60x = 99,074,069,176,850.47
  5. Step 5: Solve for x
    x = 99,074,069,176,850.47/8,190,306.60
  6. Step 6: Final answer
    x = 12,096,503.10

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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.