Home / 6,872,034.20-10,308,051.30-6,480,123.80

Finding the Fourth Proportional to 6,872,034.20, 10,308,051.30 and 6,480,123.80

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Solution

The fourth proportional to 6,872,034.20, 10,308,051.30 and 6,480,123.80 is: 9,720,185.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872,034.20 : 10,308,051.30 = 6,480,123.80 : x
  2. Step 2: Convert to fraction form
    6,872,034.20/10,308,051.30 = 6,480,123.80/x
  3. Step 3: Cross multiply
    6,872,034.20x = 10,308,051.30 × 6,480,123.80
  4. Step 4: Simplify right side
    6,872,034.20x = 66,797,448,560,750.95
  5. Step 5: Solve for x
    x = 66,797,448,560,750.95/6,872,034.20
  6. Step 6: Final answer
    x = 9,720,185.70

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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.