Home / 18,815,569.64-25,976,616.90-11,852,216.36

Finding the Fourth Proportional to 18,815,569.64, 25,976,616.90 and 11,852,216.36

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Solution

The fourth proportional to 18,815,569.64, 25,976,616.90 and 11,852,216.36 is: 16,363,070.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815,569.64 : 25,976,616.90 = 11,852,216.36 : x
  2. Step 2: Convert to fraction form
    18,815,569.64/25,976,616.90 = 11,852,216.36/x
  3. Step 3: Cross multiply
    18,815,569.64x = 25,976,616.90 × 11,852,216.36
  4. Step 4: Simplify right side
    18,815,569.64x = 307,880,483,799,632.44
  5. Step 5: Solve for x
    x = 307,880,483,799,632.44/18,815,569.64
  6. Step 6: Final answer
    x = 16,363,070.04

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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.