Home / 12,295,128.70-18,454,502.85-6,236,701.30

Finding the Fourth Proportional to 12,295,128.70, 18,454,502.85 and 6,236,701.30

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Solution

The fourth proportional to 12,295,128.70, 18,454,502.85 and 6,236,701.30 is: 9,361,042.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295,128.70 : 18,454,502.85 = 6,236,701.30 : x
  2. Step 2: Convert to fraction form
    12,295,128.70/18,454,502.85 = 6,236,701.30/x
  3. Step 3: Cross multiply
    12,295,128.70x = 18,454,502.85 × 6,236,701.30
  4. Step 4: Simplify right side
    12,295,128.70x = 115,095,221,915,448.70
  5. Step 5: Solve for x
    x = 115,095,221,915,448.70/12,295,128.70
  6. Step 6: Final answer
    x = 9,361,042.47

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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.