Home / 12,225,959.80-18,338,939.70-6,557,255.80

Finding the Fourth Proportional to 12,225,959.80, 18,338,939.70 and 6,557,255.80

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Solution

The fourth proportional to 12,225,959.80, 18,338,939.70 and 6,557,255.80 is: 9,835,883.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,959.80 : 18,338,939.70 = 6,557,255.80 : x
  2. Step 2: Convert to fraction form
    12,225,959.80/18,338,939.70 = 6,557,255.80/x
  3. Step 3: Cross multiply
    12,225,959.80x = 18,338,939.70 × 6,557,255.80
  4. Step 4: Simplify right side
    12,225,959.80x = 120,253,118,713,675.25
  5. Step 5: Solve for x
    x = 120,253,118,713,675.25/12,225,959.80
  6. Step 6: Final answer
    x = 9,835,883.70

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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.