Home / 20,576,744.06-28,393,296.89-11,281,868.19

Finding the Fourth Proportional to 20,576,744.06, 28,393,296.89 and 11,281,868.19

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Solution

The fourth proportional to 20,576,744.06, 28,393,296.89 and 11,281,868.19 is: 15,567,547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,576,744.06 : 28,393,296.89 = 11,281,868.19 : x
  2. Step 2: Convert to fraction form
    20,576,744.06/28,393,296.89 = 11,281,868.19/x
  3. Step 3: Cross multiply
    20,576,744.06x = 28,393,296.89 × 11,281,868.19
  4. Step 4: Simplify right side
    20,576,744.06x = 320,329,432,936,107.56
  5. Step 5: Solve for x
    x = 320,329,432,936,107.56/20,576,744.06
  6. Step 6: Final answer
    x = 15,567,547.13

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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.