Home / 8,607,319.20-12,907,961.28-2,540,432.16

Finding the Fourth Proportional to 8,607,319.20, 12,907,961.28 and 2,540,432.16

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Solution

The fourth proportional to 8,607,319.20, 12,907,961.28 and 2,540,432.16 is: 3,809,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607,319.20 : 12,907,961.28 = 2,540,432.16 : x
  2. Step 2: Convert to fraction form
    8,607,319.20/12,907,961.28 = 2,540,432.16/x
  3. Step 3: Cross multiply
    8,607,319.20x = 12,907,961.28 × 2,540,432.16
  4. Step 4: Simplify right side
    8,607,319.20x = 32,791,799,955,746.77
  5. Step 5: Solve for x
    x = 32,791,799,955,746.77/8,607,319.20
  6. Step 6: Final answer
    x = 3,809,757.63

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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.