Home / 20,008,238.97-30,012,970.82-13,854,195.93

Finding the Fourth Proportional to 20,008,238.97, 30,012,970.82 and 13,854,195.93

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Solution

The fourth proportional to 20,008,238.97, 30,012,970.82 and 13,854,195.93 is: 20,781,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008,238.97 : 30,012,970.82 = 13,854,195.93 : x
  2. Step 2: Convert to fraction form
    20,008,238.97/30,012,970.82 = 13,854,195.93/x
  3. Step 3: Cross multiply
    20,008,238.97x = 30,012,970.82 × 13,854,195.93
  4. Step 4: Simplify right side
    20,008,238.97x = 415,805,578,112,381.81
  5. Step 5: Solve for x
    x = 415,805,578,112,381.81/20,008,238.97
  6. Step 6: Final answer
    x = 20,781,717.91

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1.5x scale

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.