Home / 18,549,621.50-27,810,980.16-12,469,272.17

Finding the Fourth Proportional to 18,549,621.50, 27,810,980.16 and 12,469,272.17

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Solution

The fourth proportional to 18,549,621.50, 27,810,980.16 and 12,469,272.17 is: 18,694,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,549,621.50 : 27,810,980.16 = 12,469,272.17 : x
  2. Step 2: Convert to fraction form
    18,549,621.50/27,810,980.16 = 12,469,272.17/x
  3. Step 3: Cross multiply
    18,549,621.50x = 27,810,980.16 × 12,469,272.17
  4. Step 4: Simplify right side
    18,549,621.50x = 346,782,680,929,510.12
  5. Step 5: Solve for x
    x = 346,782,680,929,510.12/18,549,621.50
  6. Step 6: Final answer
    x = 18,694,865.60

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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.