Home / 12,887,566.86-17,768,332.62-10,555,869.54

Finding the Fourth Proportional to 12,887,566.86, 17,768,332.62 and 10,555,869.54

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Solution

The fourth proportional to 12,887,566.86, 17,768,332.62 and 10,555,869.54 is: 14,553,577.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887,566.86 : 17,768,332.62 = 10,555,869.54 : x
  2. Step 2: Convert to fraction form
    12,887,566.86/17,768,332.62 = 10,555,869.54/x
  3. Step 3: Cross multiply
    12,887,566.86x = 17,768,332.62 × 10,555,869.54
  4. Step 4: Simplify right side
    12,887,566.86x = 187,560,201,080,046.38
  5. Step 5: Solve for x
    x = 187,560,201,080,046.38/12,887,566.86
  6. Step 6: Final answer
    x = 14,553,577.34

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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.