Home / 21,017,532.33-31,527,630.41-8,884,734.57

Finding the Fourth Proportional to 21,017,532.33, 31,527,630.41 and 8,884,734.57

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Solution

The fourth proportional to 21,017,532.33, 31,527,630.41 and 8,884,734.57 is: 13,327,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,017,532.33 : 31,527,630.41 = 8,884,734.57 : x
  2. Step 2: Convert to fraction form
    21,017,532.33/31,527,630.41 = 8,884,734.57/x
  3. Step 3: Cross multiply
    21,017,532.33x = 31,527,630.41 × 8,884,734.57
  4. Step 4: Simplify right side
    21,017,532.33x = 280,114,627,769,486.62
  5. Step 5: Solve for x
    x = 280,114,627,769,486.62/21,017,532.33
  6. Step 6: Final answer
    x = 13,327,664.89

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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.