Home / 7,138,765.38-9,851,667.66-3,875,717.64

Finding the Fourth Proportional to 7,138,765.38, 9,851,667.66 and 3,875,717.64

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Solution

The fourth proportional to 7,138,765.38, 9,851,667.66 and 3,875,717.64 is: 5,348,583.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138,765.38 : 9,851,667.66 = 3,875,717.64 : x
  2. Step 2: Convert to fraction form
    7,138,765.38/9,851,667.66 = 3,875,717.64/x
  3. Step 3: Cross multiply
    7,138,765.38x = 9,851,667.66 × 3,875,717.64
  4. Step 4: Simplify right side
    7,138,765.38x = 38,182,282,133,279.52
  5. Step 5: Solve for x
    x = 38,182,282,133,279.52/7,138,765.38
  6. Step 6: Final answer
    x = 5,348,583.42

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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.