Home / 7,117,528.85-9,822,195.05-3,854,347.14

Finding the Fourth Proportional to 7,117,528.85, 9,822,195.05 and 3,854,347.14

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Solution

The fourth proportional to 7,117,528.85, 9,822,195.05 and 3,854,347.14 is: 5,319,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,528.85 : 9,822,195.05 = 3,854,347.14 : x
  2. Step 2: Convert to fraction form
    7,117,528.85/9,822,195.05 = 3,854,347.14/x
  3. Step 3: Cross multiply
    7,117,528.85x = 9,822,195.05 × 3,854,347.14
  4. Step 4: Simplify right side
    7,117,528.85x = 37,858,149,380,217.92
  5. Step 5: Solve for x
    x = 37,858,149,380,217.92/7,117,528.85
  6. Step 6: Final answer
    x = 5,319,001.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.