Home / 8,305,672.60-12,458,508.90-7,392,381.40

Finding the Fourth Proportional to 8,305,672.60, 12,458,508.90 and 7,392,381.40

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Solution

The fourth proportional to 8,305,672.60, 12,458,508.90 and 7,392,381.40 is: 11,088,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,672.60 : 12,458,508.90 = 7,392,381.40 : x
  2. Step 2: Convert to fraction form
    8,305,672.60/12,458,508.90 = 7,392,381.40/x
  3. Step 3: Cross multiply
    8,305,672.60x = 12,458,508.90 × 7,392,381.40
  4. Step 4: Simplify right side
    8,305,672.60x = 92,098,049,464,094.47
  5. Step 5: Solve for x
    x = 92,098,049,464,094.47/8,305,672.60
  6. Step 6: Final answer
    x = 11,088,572.10

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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.