Home / 19,422,021.70-29,133,032.55-6,642,943.30

Finding the Fourth Proportional to 19,422,021.70, 29,133,032.55 and 6,642,943.30

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Solution

The fourth proportional to 19,422,021.70, 29,133,032.55 and 6,642,943.30 is: 9,964,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422,021.70 : 29,133,032.55 = 6,642,943.30 : x
  2. Step 2: Convert to fraction form
    19,422,021.70/29,133,032.55 = 6,642,943.30/x
  3. Step 3: Cross multiply
    19,422,021.70x = 29,133,032.55 × 6,642,943.30
  4. Step 4: Simplify right side
    19,422,021.70x = 193,529,083,386,704.41
  5. Step 5: Solve for x
    x = 193,529,083,386,704.41/19,422,021.70
  6. Step 6: Final answer
    x = 9,964,414.95

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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.