Home / 7,810,083.06-11,723,406.03-6,917,320.50

Finding the Fourth Proportional to 7,810,083.06, 11,723,406.03 and 6,917,320.50

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Solution

The fourth proportional to 7,810,083.06, 11,723,406.03 and 6,917,320.50 is: 10,383,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810,083.06 : 11,723,406.03 = 6,917,320.50 : x
  2. Step 2: Convert to fraction form
    7,810,083.06/11,723,406.03 = 6,917,320.50/x
  3. Step 3: Cross multiply
    7,810,083.06x = 11,723,406.03 × 6,917,320.50
  4. Step 4: Simplify right side
    7,810,083.06x = 81,094,556,861,142.61
  5. Step 5: Solve for x
    x = 81,094,556,861,142.61/7,810,083.06
  6. Step 6: Final answer
    x = 10,383,315.55

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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.