Home / 12,295,128.20-18,454,502.10-6,236,700.80

Finding the Fourth Proportional to 12,295,128.20, 18,454,502.10 and 6,236,700.80

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Solution

The fourth proportional to 12,295,128.20, 18,454,502.10 and 6,236,700.80 is: 9,361,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295,128.20 : 18,454,502.10 = 6,236,700.80 : x
  2. Step 2: Convert to fraction form
    12,295,128.20/18,454,502.10 = 6,236,700.80/x
  3. Step 3: Cross multiply
    12,295,128.20x = 18,454,502.10 × 6,236,700.80
  4. Step 4: Simplify right side
    12,295,128.20x = 115,095,208,010,671.69
  5. Step 5: Solve for x
    x = 115,095,208,010,671.69/12,295,128.20
  6. Step 6: Final answer
    x = 9,361,041.72

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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.