Home / 8,172,495.67-11,278,043.49-4,736,729.61

Finding the Fourth Proportional to 8,172,495.67, 11,278,043.49 and 4,736,729.61

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Solution

The fourth proportional to 8,172,495.67, 11,278,043.49 and 4,736,729.61 is: 6,536,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,495.67 : 11,278,043.49 = 4,736,729.61 : x
  2. Step 2: Convert to fraction form
    8,172,495.67/11,278,043.49 = 4,736,729.61/x
  3. Step 3: Cross multiply
    8,172,495.67x = 11,278,043.49 × 4,736,729.61
  4. Step 4: Simplify right side
    8,172,495.67x = 53,421,042,541,950.74
  5. Step 5: Solve for x
    x = 53,421,042,541,950.74/8,172,495.67
  6. Step 6: Final answer
    x = 6,536,686.55

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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.