Home / 7,980,100.76-11,971,834.20-2,588,332.46

Finding the Fourth Proportional to 7,980,100.76, 11,971,834.20 and 2,588,332.46

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Solution

The fourth proportional to 7,980,100.76, 11,971,834.20 and 2,588,332.46 is: 3,883,044.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,100.76 : 11,971,834.20 = 2,588,332.46 : x
  2. Step 2: Convert to fraction form
    7,980,100.76/11,971,834.20 = 2,588,332.46/x
  3. Step 3: Cross multiply
    7,980,100.76x = 11,971,834.20 × 2,588,332.46
  4. Step 4: Simplify right side
    7,980,100.76x = 30,987,087,005,738.96
  5. Step 5: Solve for x
    x = 30,987,087,005,738.96/7,980,100.76
  6. Step 6: Final answer
    x = 3,883,044.58

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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.