Home / 18,640,215.44-25,710,246.54-12,442,137.14

Finding the Fourth Proportional to 18,640,215.44, 25,710,246.54 and 12,442,137.14

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Solution

The fourth proportional to 18,640,215.44, 25,710,246.54 and 12,442,137.14 is: 17,161,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,640,215.44 : 25,710,246.54 = 12,442,137.14 : x
  2. Step 2: Convert to fraction form
    18,640,215.44/25,710,246.54 = 12,442,137.14/x
  3. Step 3: Cross multiply
    18,640,215.44x = 25,710,246.54 × 12,442,137.14
  4. Step 4: Simplify right side
    18,640,215.44x = 319,890,413,353,890.50
  5. Step 5: Solve for x
    x = 319,890,413,353,890.50/18,640,215.44
  6. Step 6: Final answer
    x = 17,161,304.51

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1.5x scale

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.