Home / 8,308,306.60-12,462,459.90-5,117,036.20

Finding the Fourth Proportional to 8,308,306.60, 12,462,459.90 and 5,117,036.20

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Solution

The fourth proportional to 8,308,306.60, 12,462,459.90 and 5,117,036.20 is: 7,675,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308,306.60 : 12,462,459.90 = 5,117,036.20 : x
  2. Step 2: Convert to fraction form
    8,308,306.60/12,462,459.90 = 5,117,036.20/x
  3. Step 3: Cross multiply
    8,308,306.60x = 12,462,459.90 × 5,117,036.20
  4. Step 4: Simplify right side
    8,308,306.60x = 63,770,858,449,348.38
  5. Step 5: Solve for x
    x = 63,770,858,449,348.38/8,308,306.60
  6. Step 6: Final answer
    x = 7,675,554.30

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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.