Home / 12,475,986.20-18,704,648.10-6,802,616.60

Finding the Fourth Proportional to 12,475,986.20, 18,704,648.10 and 6,802,616.60

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Solution

The fourth proportional to 12,475,986.20, 18,704,648.10 and 6,802,616.60 is: 10,198,837.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475,986.20 : 18,704,648.10 = 6,802,616.60 : x
  2. Step 2: Convert to fraction form
    12,475,986.20/18,704,648.10 = 6,802,616.60/x
  3. Step 3: Cross multiply
    12,475,986.20x = 18,704,648.10 × 6,802,616.60
  4. Step 4: Simplify right side
    12,475,986.20x = 127,240,549,662,218.47
  5. Step 5: Solve for x
    x = 127,240,549,662,218.47/12,475,986.20
  6. Step 6: Final answer
    x = 10,198,837.00

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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.