Home / 21,293,701.20-31,940,551.80-6,918,222.15

Finding the Fourth Proportional to 21,293,701.20, 31,940,551.80 and 6,918,222.15

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Solution

The fourth proportional to 21,293,701.20, 31,940,551.80 and 6,918,222.15 is: 10,377,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293,701.20 : 31,940,551.80 = 6,918,222.15 : x
  2. Step 2: Convert to fraction form
    21,293,701.20/31,940,551.80 = 6,918,222.15/x
  3. Step 3: Cross multiply
    21,293,701.20x = 31,940,551.80 × 6,918,222.15
  4. Step 4: Simplify right side
    21,293,701.20x = 220,971,832,945,982.38
  5. Step 5: Solve for x
    x = 220,971,832,945,982.38/21,293,701.20
  6. Step 6: Final answer
    x = 10,377,333.23

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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.