Home / 7,245,267.20-9,998,572.28-3,982,383.68

Finding the Fourth Proportional to 7,245,267.20, 9,998,572.28 and 3,982,383.68

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Solution

The fourth proportional to 7,245,267.20, 9,998,572.28 and 3,982,383.68 is: 5,495,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245,267.20 : 9,998,572.28 = 3,982,383.68 : x
  2. Step 2: Convert to fraction form
    7,245,267.20/9,998,572.28 = 3,982,383.68/x
  3. Step 3: Cross multiply
    7,245,267.20x = 9,998,572.28 × 3,982,383.68
  4. Step 4: Simplify right side
    7,245,267.20x = 39,818,151,071,172.39
  5. Step 5: Solve for x
    x = 39,818,151,071,172.39/7,245,267.20
  6. Step 6: Final answer
    x = 5,495,746.39

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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.