Home / 14,084,496.80-21,108,082.80-12,479,530.40

Finding the Fourth Proportional to 14,084,496.80, 21,108,082.80 and 12,479,530.40

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Solution

The fourth proportional to 14,084,496.80, 21,108,082.80 and 12,479,530.40 is: 18,702,759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084,496.80 : 21,108,082.80 = 12,479,530.40 : x
  2. Step 2: Convert to fraction form
    14,084,496.80/21,108,082.80 = 12,479,530.40/x
  3. Step 3: Cross multiply
    14,084,496.80x = 21,108,082.80 × 12,479,530.40
  4. Step 4: Simplify right side
    14,084,496.80x = 263,418,960,988,317.12
  5. Step 5: Solve for x
    x = 263,418,960,988,317.12/14,084,496.80
  6. Step 6: Final answer
    x = 18,702,759.83

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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.