Home / 20,093,927.13-30,102,859.35-11,871,981.42

Finding the Fourth Proportional to 20,093,927.13, 30,102,859.35 and 11,871,981.42

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Solution

The fourth proportional to 20,093,927.13, 30,102,859.35 and 11,871,981.42 is: 17,785,502.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093,927.13 : 30,102,859.35 = 11,871,981.42 : x
  2. Step 2: Convert to fraction form
    20,093,927.13/30,102,859.35 = 11,871,981.42/x
  3. Step 3: Cross multiply
    20,093,927.13x = 30,102,859.35 × 11,871,981.42
  4. Step 4: Simplify right side
    20,093,927.13x = 357,380,586,892,073.31
  5. Step 5: Solve for x
    x = 357,380,586,892,073.31/20,093,927.13
  6. Step 6: Final answer
    x = 17,785,502.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.