Home / 8,317,763.60-12,476,645.40-2,638,432.40

Finding the Fourth Proportional to 8,317,763.60, 12,476,645.40 and 2,638,432.40

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Solution

The fourth proportional to 8,317,763.60, 12,476,645.40 and 2,638,432.40 is: 3,957,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,763.60 : 12,476,645.40 = 2,638,432.40 : x
  2. Step 2: Convert to fraction form
    8,317,763.60/12,476,645.40 = 2,638,432.40/x
  3. Step 3: Cross multiply
    8,317,763.60x = 12,476,645.40 × 2,638,432.40
  4. Step 4: Simplify right side
    8,317,763.60x = 32,918,785,466,670.96
  5. Step 5: Solve for x
    x = 32,918,785,466,670.96/8,317,763.60
  6. Step 6: Final answer
    x = 3,957,648.60

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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.