Home / 8,317,818.60-12,476,727.90-2,638,487.40

Finding the Fourth Proportional to 8,317,818.60, 12,476,727.90 and 2,638,487.40

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Solution

The fourth proportional to 8,317,818.60, 12,476,727.90 and 2,638,487.40 is: 3,957,731.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,818.60 : 12,476,727.90 = 2,638,487.40 : x
  2. Step 2: Convert to fraction form
    8,317,818.60/12,476,727.90 = 2,638,487.40/x
  3. Step 3: Cross multiply
    8,317,818.60x = 12,476,727.90 × 2,638,487.40
  4. Step 4: Simplify right side
    8,317,818.60x = 32,919,689,357,378.46
  5. Step 5: Solve for x
    x = 32,919,689,357,378.46/8,317,818.60
  6. Step 6: Final answer
    x = 3,957,731.10

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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.