Home / 12,998,961.89-17,957,252.97-10,382,030.18

Finding the Fourth Proportional to 12,998,961.89, 17,957,252.97 and 10,382,030.18

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Solution

The fourth proportional to 12,998,961.89, 17,957,252.97 and 10,382,030.18 is: 14,342,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998,961.89 : 17,957,252.97 = 10,382,030.18 : x
  2. Step 2: Convert to fraction form
    12,998,961.89/17,957,252.97 = 10,382,030.18/x
  3. Step 3: Cross multiply
    12,998,961.89x = 17,957,252.97 × 10,382,030.18
  4. Step 4: Simplify right side
    12,998,961.89x = 186,432,742,284,434.62
  5. Step 5: Solve for x
    x = 186,432,742,284,434.62/12,998,961.89
  6. Step 6: Final answer
    x = 14,342,125.46

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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.