Home / 8,167,523.60-12,251,285.40-7,047,779.60

Finding the Fourth Proportional to 8,167,523.60, 12,251,285.40 and 7,047,779.60

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Solution

The fourth proportional to 8,167,523.60, 12,251,285.40 and 7,047,779.60 is: 10,571,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167,523.60 : 12,251,285.40 = 7,047,779.60 : x
  2. Step 2: Convert to fraction form
    8,167,523.60/12,251,285.40 = 7,047,779.60/x
  3. Step 3: Cross multiply
    8,167,523.60x = 12,251,285.40 × 7,047,779.60
  4. Step 4: Simplify right side
    8,167,523.60x = 86,344,359,315,897.84
  5. Step 5: Solve for x
    x = 86,344,359,315,897.84/8,167,523.60
  6. Step 6: Final answer
    x = 10,571,669.40

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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.