Home / 21,984,382.80-32,976,574.20-13,906,479.60

Finding the Fourth Proportional to 21,984,382.80, 32,976,574.20 and 13,906,479.60

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Solution

The fourth proportional to 21,984,382.80, 32,976,574.20 and 13,906,479.60 is: 20,859,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,382.80 : 32,976,574.20 = 13,906,479.60 : x
  2. Step 2: Convert to fraction form
    21,984,382.80/32,976,574.20 = 13,906,479.60/x
  3. Step 3: Cross multiply
    21,984,382.80x = 32,976,574.20 × 13,906,479.60
  4. Step 4: Simplify right side
    21,984,382.80x = 458,588,056,390,186.31
  5. Step 5: Solve for x
    x = 458,588,056,390,186.31/21,984,382.80
  6. Step 6: Final answer
    x = 20,859,719.40

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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.