Home / 21,551,988.80-32,332,648.80-6,407,451.20

Finding the Fourth Proportional to 21,551,988.80, 32,332,648.80 and 6,407,451.20

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Solution

The fourth proportional to 21,551,988.80, 32,332,648.80 and 6,407,451.20 is: 9,612,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551,988.80 : 32,332,648.80 = 6,407,451.20 : x
  2. Step 2: Convert to fraction form
    21,551,988.80/32,332,648.80 = 6,407,451.20/x
  3. Step 3: Cross multiply
    21,551,988.80x = 32,332,648.80 × 6,407,451.20
  4. Step 4: Simplify right side
    21,551,988.80x = 207,169,869,352,738.56
  5. Step 5: Solve for x
    x = 207,169,869,352,738.56/21,551,988.80
  6. Step 6: Final answer
    x = 9,612,563.89

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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.