Home / 21,234,611-31,852,033.14-5,278,259

Finding the Fourth Proportional to 21,234,611, 31,852,033.14 and 5,278,259

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Solution

The fourth proportional to 21,234,611, 31,852,033.14 and 5,278,259 is: 7,917,417.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,234,611 : 31,852,033.14 = 5,278,259 : x
  2. Step 2: Convert to fraction form
    21,234,611/31,852,033.14 = 5,278,259/x
  3. Step 3: Cross multiply
    21,234,611x = 31,852,033.14 × 5,278,259
  4. Step 4: Simplify right side
    21,234,611x = 168,123,280,589,503.25
  5. Step 5: Solve for x
    x = 168,123,280,589,503.25/21,234,611
  6. Step 6: Final answer
    x = 7,917,417.49

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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.