Home / 13,220,988-19,834,799.76-3,765,372

Finding the Fourth Proportional to 13,220,988, 19,834,799.76 and 3,765,372

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Solution

The fourth proportional to 13,220,988, 19,834,799.76 and 3,765,372 is: 5,649,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,220,988 : 19,834,799.76 = 3,765,372 : x
  2. Step 2: Convert to fraction form
    13,220,988/19,834,799.76 = 3,765,372/x
  3. Step 3: Cross multiply
    13,220,988x = 19,834,799.76 × 3,765,372
  4. Step 4: Simplify right side
    13,220,988x = 74,685,399,641,910.72
  5. Step 5: Solve for x
    x = 74,685,399,641,910.72/13,220,988
  6. Step 6: Final answer
    x = 5,649,002.91

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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.