Home / 18,428,701.86-25,440,816.06-11,461,625.37

Finding the Fourth Proportional to 18,428,701.86, 25,440,816.06 and 11,461,625.37

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Solution

The fourth proportional to 18,428,701.86, 25,440,816.06 and 11,461,625.37 is: 15,822,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428,701.86 : 25,440,816.06 = 11,461,625.37 : x
  2. Step 2: Convert to fraction form
    18,428,701.86/25,440,816.06 = 11,461,625.37/x
  3. Step 3: Cross multiply
    18,428,701.86x = 25,440,816.06 × 11,461,625.37
  4. Step 4: Simplify right side
    18,428,701.86x = 291,593,102,786,799.38
  5. Step 5: Solve for x
    x = 291,593,102,786,799.38/18,428,701.86
  6. Step 6: Final answer
    x = 15,822,769.56

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1.5x scale

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.