Home / 13,514,392.40-18,650,162.66-7,713,057.78

Finding the Fourth Proportional to 13,514,392.40, 18,650,162.66 and 7,713,057.78

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Solution

The fourth proportional to 13,514,392.40, 18,650,162.66 and 7,713,057.78 is: 10,644,191.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514,392.40 : 18,650,162.66 = 7,713,057.78 : x
  2. Step 2: Convert to fraction form
    13,514,392.40/18,650,162.66 = 7,713,057.78/x
  3. Step 3: Cross multiply
    13,514,392.40x = 18,650,162.66 × 7,713,057.78
  4. Step 4: Simplify right side
    13,514,392.40x = 143,849,782,164,413.22
  5. Step 5: Solve for x
    x = 143,849,782,164,413.22/13,514,392.40
  6. Step 6: Final answer
    x = 10,644,191.61

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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.