Home / 6,991,908.13-9,648,143.49-3,894,327.60

Finding the Fourth Proportional to 6,991,908.13, 9,648,143.49 and 3,894,327.60

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Solution

The fourth proportional to 6,991,908.13, 9,648,143.49 and 3,894,327.60 is: 5,373,787.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991,908.13 : 9,648,143.49 = 3,894,327.60 : x
  2. Step 2: Convert to fraction form
    6,991,908.13/9,648,143.49 = 3,894,327.60/x
  3. Step 3: Cross multiply
    6,991,908.13x = 9,648,143.49 × 3,894,327.60
  4. Step 4: Simplify right side
    6,991,908.13x = 37,573,031,481,867.33
  5. Step 5: Solve for x
    x = 37,573,031,481,867.33/6,991,908.13
  6. Step 6: Final answer
    x = 5,373,787.93

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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.