Home / 12,946,619.38-17,866,246.89-7,145,401.06

Finding the Fourth Proportional to 12,946,619.38, 17,866,246.89 and 7,145,401.06

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Solution

The fourth proportional to 12,946,619.38, 17,866,246.89 and 7,145,401.06 is: 9,860,604.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946,619.38 : 17,866,246.89 = 7,145,401.06 : x
  2. Step 2: Convert to fraction form
    12,946,619.38/17,866,246.89 = 7,145,401.06/x
  3. Step 3: Cross multiply
    12,946,619.38x = 17,866,246.89 × 7,145,401.06
  4. Step 4: Simplify right side
    12,946,619.38x = 127,661,499,466,027.70
  5. Step 5: Solve for x
    x = 127,661,499,466,027.70/12,946,619.38
  6. Step 6: Final answer
    x = 9,860,604.97

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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.