Home / 8,160,987.60-12,241,481.40-7,265,192.40

Finding the Fourth Proportional to 8,160,987.60, 12,241,481.40 and 7,265,192.40

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Solution

The fourth proportional to 8,160,987.60, 12,241,481.40 and 7,265,192.40 is: 10,897,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,987.60 : 12,241,481.40 = 7,265,192.40 : x
  2. Step 2: Convert to fraction form
    8,160,987.60/12,241,481.40 = 7,265,192.40/x
  3. Step 3: Cross multiply
    8,160,987.60x = 12,241,481.40 × 7,265,192.40
  4. Step 4: Simplify right side
    8,160,987.60x = 88,936,717,632,021.38
  5. Step 5: Solve for x
    x = 88,936,717,632,021.38/8,160,987.60
  6. Step 6: Final answer
    x = 10,897,788.60

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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.