Home / 20,497,216.38-28,286,154.36-11,204,825.51

Finding the Fourth Proportional to 20,497,216.38, 28,286,154.36 and 11,204,825.51

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Solution

The fourth proportional to 20,497,216.38, 28,286,154.36 and 11,204,825.51 is: 15,462,656.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,497,216.38 : 28,286,154.36 = 11,204,825.51 : x
  2. Step 2: Convert to fraction form
    20,497,216.38/28,286,154.36 = 11,204,825.51/x
  3. Step 3: Cross multiply
    20,497,216.38x = 28,286,154.36 × 11,204,825.51
  4. Step 4: Simplify right side
    20,497,216.38x = 316,941,423,811,294.94
  5. Step 5: Solve for x
    x = 316,941,423,811,294.94/20,497,216.38
  6. Step 6: Final answer
    x = 15,462,656.88

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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.