Home / 6,872,032.70-10,308,049.05-6,480,122.30

Finding the Fourth Proportional to 6,872,032.70, 10,308,049.05 and 6,480,122.30

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Solution

The fourth proportional to 6,872,032.70, 10,308,049.05 and 6,480,122.30 is: 9,720,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,032.70 : 10,308,049.05 = 6,480,122.30 : x
  2. Step 2: Convert to fraction form
    6,872,032.70/10,308,049.05 = 6,480,122.30/x
  3. Step 3: Cross multiply
    6,872,032.70x = 10,308,049.05 × 6,480,122.30
  4. Step 4: Simplify right side
    6,872,032.70x = 66,797,418,518,398.82
  5. Step 5: Solve for x
    x = 66,797,418,518,398.82/6,872,032.70
  6. Step 6: Final answer
    x = 9,720,183.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.