Home / 12,646,802-18,970,488.12-4,560,435.92

Finding the Fourth Proportional to 12,646,802, 18,970,488.12 and 4,560,435.92

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Solution

The fourth proportional to 12,646,802, 18,970,488.12 and 4,560,435.92 is: 6,840,756.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646,802 : 18,970,488.12 = 4,560,435.92 : x
  2. Step 2: Convert to fraction form
    12,646,802/18,970,488.12 = 4,560,435.92/x
  3. Step 3: Cross multiply
    12,646,802x = 18,970,488.12 × 4,560,435.92
  4. Step 4: Simplify right side
    12,646,802x = 86,513,695,442,381.28
  5. Step 5: Solve for x
    x = 86,513,695,442,381.28/12,646,802
  6. Step 6: Final answer
    x = 6,840,756.69

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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.