Home / 20,996,887.75-28,975,705.50-11,339,095.75

Finding the Fourth Proportional to 20,996,887.75, 28,975,705.50 and 11,339,095.75

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Solution

The fourth proportional to 20,996,887.75, 28,975,705.50 and 11,339,095.75 is: 15,647,952.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,887.75 : 28,975,705.50 = 11,339,095.75 : x
  2. Step 2: Convert to fraction form
    20,996,887.75/28,975,705.50 = 11,339,095.75/x
  3. Step 3: Cross multiply
    20,996,887.75x = 28,975,705.50 × 11,339,095.75
  4. Step 4: Simplify right side
    20,996,887.75x = 328,558,299,088,301.62
  5. Step 5: Solve for x
    x = 328,558,299,088,301.62/20,996,887.75
  6. Step 6: Final answer
    x = 15,647,952.35

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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.