Home / 8,392,499.38-12,588,749.05-5,551,947.22

Finding the Fourth Proportional to 8,392,499.38, 12,588,749.05 and 5,551,947.22

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Solution

The fourth proportional to 8,392,499.38, 12,588,749.05 and 5,551,947.22 is: 8,327,920.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,392,499.38 : 12,588,749.05 = 5,551,947.22 : x
  2. Step 2: Convert to fraction form
    8,392,499.38/12,588,749.05 = 5,551,947.22/x
  3. Step 3: Cross multiply
    8,392,499.38x = 12,588,749.05 × 5,551,947.22
  4. Step 4: Simplify right side
    8,392,499.38x = 69,892,070,291,425.14
  5. Step 5: Solve for x
    x = 69,892,070,291,425.14/8,392,499.38
  6. Step 6: Final answer
    x = 8,327,920.82

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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.