Home / 8,970,771.12-12,379,620.60-4,896,380.40

Finding the Fourth Proportional to 8,970,771.12, 12,379,620.60 and 4,896,380.40

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Solution

The fourth proportional to 8,970,771.12, 12,379,620.60 and 4,896,380.40 is: 6,756,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970,771.12 : 12,379,620.60 = 4,896,380.40 : x
  2. Step 2: Convert to fraction form
    8,970,771.12/12,379,620.60 = 4,896,380.40/x
  3. Step 3: Cross multiply
    8,970,771.12x = 12,379,620.60 × 4,896,380.40
  4. Step 4: Simplify right side
    8,970,771.12x = 60,615,331,665,276.24
  5. Step 5: Solve for x
    x = 60,615,331,665,276.24/8,970,771.12
  6. Step 6: Final answer
    x = 6,756,981.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.