Home / 7,258,855.40-10,895,849.61-3,218,180.86

Finding the Fourth Proportional to 7,258,855.40, 10,895,849.61 and 3,218,180.86

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Solution

The fourth proportional to 7,258,855.40, 10,895,849.61 and 3,218,180.86 is: 4,830,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,258,855.40 : 10,895,849.61 = 3,218,180.86 : x
  2. Step 2: Convert to fraction form
    7,258,855.40/10,895,849.61 = 3,218,180.86/x
  3. Step 3: Cross multiply
    7,258,855.40x = 10,895,849.61 × 3,218,180.86
  4. Step 4: Simplify right side
    7,258,855.40x = 35,064,814,668,340.46
  5. Step 5: Solve for x
    x = 35,064,814,668,340.46/7,258,855.40
  6. Step 6: Final answer
    x = 4,830,625.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.