Home / 28,275,857.51-42,413,786.27-13,926,950.51

Finding the Fourth Proportional to 28,275,857.51, 42,413,786.27 and 13,926,950.51

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Solution

The fourth proportional to 28,275,857.51, 42,413,786.27 and 13,926,950.51 is: 20,890,425.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275,857.51 : 42,413,786.27 = 13,926,950.51 : x
  2. Step 2: Convert to fraction form
    28,275,857.51/42,413,786.27 = 13,926,950.51/x
  3. Step 3: Cross multiply
    28,275,857.51x = 42,413,786.27 × 13,926,950.51
  4. Step 4: Simplify right side
    28,275,857.51x = 590,694,702,464,859.38
  5. Step 5: Solve for x
    x = 590,694,702,464,859.38/28,275,857.51
  6. Step 6: Final answer
    x = 20,890,425.77

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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.