Home / 7,215,146.34-10,822,716.75-2,897,195.27

Finding the Fourth Proportional to 7,215,146.34, 10,822,716.75 and 2,897,195.27

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Solution

The fourth proportional to 7,215,146.34, 10,822,716.75 and 2,897,195.27 is: 4,345,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215,146.34 : 10,822,716.75 = 2,897,195.27 : x
  2. Step 2: Convert to fraction form
    7,215,146.34/10,822,716.75 = 2,897,195.27/x
  3. Step 3: Cross multiply
    7,215,146.34x = 10,822,716.75 × 2,897,195.27
  4. Step 4: Simplify right side
    7,215,146.34x = 31,355,523,776,649.77
  5. Step 5: Solve for x
    x = 31,355,523,776,649.77/7,215,146.34
  6. Step 6: Final answer
    x = 4,345,791.80

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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.