Home / 18,836,637.12-25,991,432.28-11,100,629.52

Finding the Fourth Proportional to 18,836,637.12, 25,991,432.28 and 11,100,629.52

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Solution

The fourth proportional to 18,836,637.12, 25,991,432.28 and 11,100,629.52 is: 15,317,026.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836,637.12 : 25,991,432.28 = 11,100,629.52 : x
  2. Step 2: Convert to fraction form
    18,836,637.12/25,991,432.28 = 11,100,629.52/x
  3. Step 3: Cross multiply
    18,836,637.12x = 25,991,432.28 × 11,100,629.52
  4. Step 4: Simplify right side
    18,836,637.12x = 288,521,260,434,448.94
  5. Step 5: Solve for x
    x = 288,521,260,434,448.94/18,836,637.12
  6. Step 6: Final answer
    x = 15,317,026.00

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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.