Home / 7,250,674.07-10,005,730.40-3,987,488.73

Finding the Fourth Proportional to 7,250,674.07, 10,005,730.40 and 3,987,488.73

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Solution

The fourth proportional to 7,250,674.07, 10,005,730.40 and 3,987,488.73 is: 5,502,624.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250,674.07 : 10,005,730.40 = 3,987,488.73 : x
  2. Step 2: Convert to fraction form
    7,250,674.07/10,005,730.40 = 3,987,488.73/x
  3. Step 3: Cross multiply
    7,250,674.07x = 10,005,730.40 × 3,987,488.73
  4. Step 4: Simplify right side
    7,250,674.07x = 39,897,737,185,480.95
  5. Step 5: Solve for x
    x = 39,897,737,185,480.95/7,250,674.07
  6. Step 6: Final answer
    x = 5,502,624.56

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1.5x scale

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.