Home / 7,135,392.71-9,846,867.72-3,872,206.46

Finding the Fourth Proportional to 7,135,392.71, 9,846,867.72 and 3,872,206.46

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Solution

The fourth proportional to 7,135,392.71, 9,846,867.72 and 3,872,206.46 is: 5,343,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,392.71 : 9,846,867.72 = 3,872,206.46 : x
  2. Step 2: Convert to fraction form
    7,135,392.71/9,846,867.72 = 3,872,206.46/x
  3. Step 3: Cross multiply
    7,135,392.71x = 9,846,867.72 × 3,872,206.46
  4. Step 4: Simplify right side
    7,135,392.71x = 38,129,104,796,149.48
  5. Step 5: Solve for x
    x = 38,129,104,796,149.48/7,135,392.71
  6. Step 6: Final answer
    x = 5,343,658.91

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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.