Home / 21,234,609-31,852,030.14-5,278,257

Finding the Fourth Proportional to 21,234,609, 31,852,030.14 and 5,278,257

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Solution

The fourth proportional to 21,234,609, 31,852,030.14 and 5,278,257 is: 7,917,414.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,234,609 : 31,852,030.14 = 5,278,257 : x
  2. Step 2: Convert to fraction form
    21,234,609/31,852,030.14 = 5,278,257/x
  3. Step 3: Cross multiply
    21,234,609x = 31,852,030.14 × 5,278,257
  4. Step 4: Simplify right side
    21,234,609x = 168,123,201,050,665.97
  5. Step 5: Solve for x
    x = 168,123,201,050,665.97/21,234,609
  6. Step 6: Final answer
    x = 7,917,414.49

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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.