Home / 20,344,748.11-28,075,776.75-11,052,324.32

Finding the Fourth Proportional to 20,344,748.11, 28,075,776.75 and 11,052,324.32

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Solution

The fourth proportional to 20,344,748.11, 28,075,776.75 and 11,052,324.32 is: 15,252,220.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344,748.11 : 28,075,776.75 = 11,052,324.32 : x
  2. Step 2: Convert to fraction form
    20,344,748.11/28,075,776.75 = 11,052,324.32/x
  3. Step 3: Cross multiply
    20,344,748.11x = 28,075,776.75 × 11,052,324.32
  4. Step 4: Simplify right side
    20,344,748.11x = 310,302,590,176,915.56
  5. Step 5: Solve for x
    x = 310,302,590,176,915.56/20,344,748.11
  6. Step 6: Final answer
    x = 15,252,220.79

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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.