Home / 12,068,337.78-16,654,189.05-6,561,712.56

Finding the Fourth Proportional to 12,068,337.78, 16,654,189.05 and 6,561,712.56

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Solution

The fourth proportional to 12,068,337.78, 16,654,189.05 and 6,561,712.56 is: 9,055,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068,337.78 : 16,654,189.05 = 6,561,712.56 : x
  2. Step 2: Convert to fraction form
    12,068,337.78/16,654,189.05 = 6,561,712.56/x
  3. Step 3: Cross multiply
    12,068,337.78x = 16,654,189.05 × 6,561,712.56
  4. Step 4: Simplify right side
    12,068,337.78x = 109,280,001,465,999.47
  5. Step 5: Solve for x
    x = 109,280,001,465,999.47/12,068,337.78
  6. Step 6: Final answer
    x = 9,055,099.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.