Home / 7,800,689.75-11,702,630.50-2,682,454.93

Finding the Fourth Proportional to 7,800,689.75, 11,702,630.50 and 2,682,454.93

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Solution

The fourth proportional to 7,800,689.75, 11,702,630.50 and 2,682,454.93 is: 4,024,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,689.75 : 11,702,630.50 = 2,682,454.93 : x
  2. Step 2: Convert to fraction form
    7,800,689.75/11,702,630.50 = 2,682,454.93/x
  3. Step 3: Cross multiply
    7,800,689.75x = 11,702,630.50 × 2,682,454.93
  4. Step 4: Simplify right side
    7,800,689.75x = 31,391,778,842,730.66
  5. Step 5: Solve for x
    x = 31,391,778,842,730.66/7,800,689.75
  6. Step 6: Final answer
    x = 4,024,231.17

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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.