Home / 20,391,553.95-30,586,501.33-5,038,456.97

Finding the Fourth Proportional to 20,391,553.95, 30,586,501.33 and 5,038,456.97

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Solution

The fourth proportional to 20,391,553.95, 30,586,501.33 and 5,038,456.97 is: 7,557,480.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,391,553.95 : 30,586,501.33 = 5,038,456.97 : x
  2. Step 2: Convert to fraction form
    20,391,553.95/30,586,501.33 = 5,038,456.97/x
  3. Step 3: Cross multiply
    20,391,553.95x = 30,586,501.33 × 5,038,456.97
  4. Step 4: Simplify right side
    20,391,553.95x = 154,108,770,877,922.88
  5. Step 5: Solve for x
    x = 154,108,770,877,922.88/20,391,553.95
  6. Step 6: Final answer
    x = 7,557,480.48

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1.5x scale

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.