Home / 23,111,940.31-31,894,448.85-12,798,650.95

Finding the Fourth Proportional to 23,111,940.31, 31,894,448.85 and 12,798,650.95

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Solution

The fourth proportional to 23,111,940.31, 31,894,448.85 and 12,798,650.95 is: 17,662,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111,940.31 : 31,894,448.85 = 12,798,650.95 : x
  2. Step 2: Convert to fraction form
    23,111,940.31/31,894,448.85 = 12,798,650.95/x
  3. Step 3: Cross multiply
    23,111,940.31x = 31,894,448.85 × 12,798,650.95
  4. Step 4: Simplify right side
    23,111,940.31x = 408,205,917,850,313.38
  5. Step 5: Solve for x
    x = 408,205,917,850,313.38/23,111,940.31
  6. Step 6: Final answer
    x = 17,662,122.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.