Home / 20,857,535.10-31,286,302.65-11,899,583.10

Finding the Fourth Proportional to 20,857,535.10, 31,286,302.65 and 11,899,583.10

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Solution

The fourth proportional to 20,857,535.10, 31,286,302.65 and 11,899,583.10 is: 17,849,374.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,857,535.10 : 31,286,302.65 = 11,899,583.10 : x
  2. Step 2: Convert to fraction form
    20,857,535.10/31,286,302.65 = 11,899,583.10/x
  3. Step 3: Cross multiply
    20,857,535.10x = 31,286,302.65 × 11,899,583.10
  4. Step 4: Simplify right side
    20,857,535.10x = 372,293,958,275,425.19
  5. Step 5: Solve for x
    x = 372,293,958,275,425.19/20,857,535.10
  6. Step 6: Final answer
    x = 17,849,374.65

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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.