Home / 28,419,356.28-42,622,605.18-13,051,872.12

Finding the Fourth Proportional to 28,419,356.28, 42,622,605.18 and 13,051,872.12

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Solution

The fourth proportional to 28,419,356.28, 42,622,605.18 and 13,051,872.12 is: 19,574,855.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,419,356.28 : 42,622,605.18 = 13,051,872.12 : x
  2. Step 2: Convert to fraction form
    28,419,356.28/42,622,605.18 = 13,051,872.12/x
  3. Step 3: Cross multiply
    28,419,356.28x = 42,622,605.18 × 13,051,872.12
  4. Step 4: Simplify right side
    28,419,356.28x = 556,304,792,230,609.56
  5. Step 5: Solve for x
    x = 556,304,792,230,609.56/28,419,356.28
  6. Step 6: Final answer
    x = 19,574,855.49

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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.