Home / 18,175,809.04-25,082,697.84-9,915,846.32

Finding the Fourth Proportional to 18,175,809.04, 25,082,697.84 and 9,915,846.32

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Solution

The fourth proportional to 18,175,809.04, 25,082,697.84 and 9,915,846.32 is: 13,683,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175,809.04 : 25,082,697.84 = 9,915,846.32 : x
  2. Step 2: Convert to fraction form
    18,175,809.04/25,082,697.84 = 9,915,846.32/x
  3. Step 3: Cross multiply
    18,175,809.04x = 25,082,697.84 × 9,915,846.32
  4. Step 4: Simplify right side
    18,175,809.04x = 248,716,177,072,435.97
  5. Step 5: Solve for x
    x = 248,716,177,072,435.97/18,175,809.04
  6. Step 6: Final answer
    x = 13,683,912.31

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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.