Home / 8,172,495.80-11,278,043.66-4,736,729.73

Finding the Fourth Proportional to 8,172,495.80, 11,278,043.66 and 4,736,729.73

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Solution

The fourth proportional to 8,172,495.80, 11,278,043.66 and 4,736,729.73 is: 6,536,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,495.80 : 11,278,043.66 = 4,736,729.73 : x
  2. Step 2: Convert to fraction form
    8,172,495.80/11,278,043.66 = 4,736,729.73/x
  3. Step 3: Cross multiply
    8,172,495.80x = 11,278,043.66 × 4,736,729.73
  4. Step 4: Simplify right side
    8,172,495.80x = 53,421,044,700,560.02
  5. Step 5: Solve for x
    x = 53,421,044,700,560.02/8,172,495.80
  6. Step 6: Final answer
    x = 6,536,686.72

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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.