Home / 20,814,250.70-31,252,067.64-11,610,205.52

Finding the Fourth Proportional to 20,814,250.70, 31,252,067.64 and 11,610,205.52

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Solution

The fourth proportional to 20,814,250.70, 31,252,067.64 and 11,610,205.52 is: 17,432,428.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,814,250.70 : 31,252,067.64 = 11,610,205.52 : x
  2. Step 2: Convert to fraction form
    20,814,250.70/31,252,067.64 = 11,610,205.52/x
  3. Step 3: Cross multiply
    20,814,250.70x = 31,252,067.64 × 11,610,205.52
  4. Step 4: Simplify right side
    20,814,250.70x = 362,842,928,011,030.06
  5. Step 5: Solve for x
    x = 362,842,928,011,030.06/20,814,250.70
  6. Step 6: Final answer
    x = 17,432,428.06

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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.