Home / 7,843,977.09-11,766,642.93-2,164,201.40

Finding the Fourth Proportional to 7,843,977.09, 11,766,642.93 and 2,164,201.40

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Solution

The fourth proportional to 7,843,977.09, 11,766,642.93 and 2,164,201.40 is: 3,246,488.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,843,977.09 : 11,766,642.93 = 2,164,201.40 : x
  2. Step 2: Convert to fraction form
    7,843,977.09/11,766,642.93 = 2,164,201.40/x
  3. Step 3: Cross multiply
    7,843,977.09x = 11,766,642.93 × 2,164,201.40
  4. Step 4: Simplify right side
    7,843,977.09x = 25,465,385,131,822.71
  5. Step 5: Solve for x
    x = 25,465,385,131,822.71/7,843,977.09
  6. Step 6: Final answer
    x = 3,246,488.97

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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.