Home / 6,959,386.80-10,422,491.40-4,272,001.20

Finding the Fourth Proportional to 6,959,386.80, 10,422,491.40 and 4,272,001.20

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Solution

The fourth proportional to 6,959,386.80, 10,422,491.40 and 4,272,001.20 is: 6,397,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959,386.80 : 10,422,491.40 = 4,272,001.20 : x
  2. Step 2: Convert to fraction form
    6,959,386.80/10,422,491.40 = 4,272,001.20/x
  3. Step 3: Cross multiply
    6,959,386.80x = 10,422,491.40 × 4,272,001.20
  4. Step 4: Simplify right side
    6,959,386.80x = 44,524,895,767,789.68
  5. Step 5: Solve for x
    x = 44,524,895,767,789.68/6,959,386.80
  6. Step 6: Final answer
    x = 6,397,818.81

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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.