Home / 12,998,960.89-17,957,251.59-10,382,029.18

Finding the Fourth Proportional to 12,998,960.89, 17,957,251.59 and 10,382,029.18

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Solution

The fourth proportional to 12,998,960.89, 17,957,251.59 and 10,382,029.18 is: 14,342,124.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998,960.89 : 17,957,251.59 = 10,382,029.18 : x
  2. Step 2: Convert to fraction form
    12,998,960.89/17,957,251.59 = 10,382,029.18/x
  3. Step 3: Cross multiply
    12,998,960.89x = 17,957,251.59 × 10,382,029.18
  4. Step 4: Simplify right side
    12,998,960.89x = 186,432,709,999,981.38
  5. Step 5: Solve for x
    x = 186,432,709,999,981.38/12,998,960.89
  6. Step 6: Final answer
    x = 14,342,124.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.