Home / 28,574,104.57-39,432,233.67-15,521,373.25

Finding the Fourth Proportional to 28,574,104.57, 39,432,233.67 and 15,521,373.25

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Solution

The fourth proportional to 28,574,104.57, 39,432,233.67 and 15,521,373.25 is: 21,419,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,574,104.57 : 39,432,233.67 = 15,521,373.25 : x
  2. Step 2: Convert to fraction form
    28,574,104.57/39,432,233.67 = 15,521,373.25/x
  3. Step 3: Cross multiply
    28,574,104.57x = 39,432,233.67 × 15,521,373.25
  4. Step 4: Simplify right side
    28,574,104.57x = 612,042,416,873,287.38
  5. Step 5: Solve for x
    x = 612,042,416,873,287.38/28,574,104.57
  6. Step 6: Final answer
    x = 21,419,478.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.