Home / 14,040,986.90-21,061,480.35-9,785,959.70

Finding the Fourth Proportional to 14,040,986.90, 21,061,480.35 and 9,785,959.70

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Solution

The fourth proportional to 14,040,986.90, 21,061,480.35 and 9,785,959.70 is: 14,678,939.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040,986.90 : 21,061,480.35 = 9,785,959.70 : x
  2. Step 2: Convert to fraction form
    14,040,986.90/21,061,480.35 = 9,785,959.70/x
  3. Step 3: Cross multiply
    14,040,986.90x = 21,061,480.35 × 9,785,959.70
  4. Step 4: Simplify right side
    14,040,986.90x = 206,106,797,927,441.91
  5. Step 5: Solve for x
    x = 206,106,797,927,441.91/14,040,986.90
  6. Step 6: Final answer
    x = 14,678,939.55

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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.