Home / 40,976,219.20-61,467,439.20-12,220,110.40

Finding the Fourth Proportional to 40,976,219.20, 61,467,439.20 and 12,220,110.40

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Solution

The fourth proportional to 40,976,219.20, 61,467,439.20 and 12,220,110.40 is: 18,331,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,976,219.20 : 61,467,439.20 = 12,220,110.40 : x
  2. Step 2: Convert to fraction form
    40,976,219.20/61,467,439.20 = 12,220,110.40/x
  3. Step 3: Cross multiply
    40,976,219.20x = 61,467,439.20 × 12,220,110.40
  4. Step 4: Simplify right side
    40,976,219.20x = 751,138,893,029,287.75
  5. Step 5: Solve for x
    x = 751,138,893,029,287.75/40,976,219.20
  6. Step 6: Final answer
    x = 18,331,093.20

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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.