Home / 23,111,969.49-31,894,489.08-12,798,680.13

Finding the Fourth Proportional to 23,111,969.49, 31,894,489.08 and 12,798,680.13

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Solution

The fourth proportional to 23,111,969.49, 31,894,489.08 and 12,798,680.13 is: 17,662,162.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111,969.49 : 31,894,489.08 = 12,798,680.13 : x
  2. Step 2: Convert to fraction form
    23,111,969.49/31,894,489.08 = 12,798,680.13/x
  3. Step 3: Cross multiply
    23,111,969.49x = 31,894,489.08 × 12,798,680.13
  4. Step 4: Simplify right side
    23,111,969.49x = 408,207,363,644,698
  5. Step 5: Solve for x
    x = 408,207,363,644,698/23,111,969.49
  6. Step 6: Final answer
    x = 17,662,162.62

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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.