Home / 18,401,252.53-25,398,055.74-11,437,189.51

Finding the Fourth Proportional to 18,401,252.53, 25,398,055.74 and 11,437,189.51

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Solution

The fourth proportional to 18,401,252.53, 25,398,055.74 and 11,437,189.51 is: 15,786,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,401,252.53 : 25,398,055.74 = 11,437,189.51 : x
  2. Step 2: Convert to fraction form
    18,401,252.53/25,398,055.74 = 11,437,189.51/x
  3. Step 3: Cross multiply
    18,401,252.53x = 25,398,055.74 × 11,437,189.51
  4. Step 4: Simplify right side
    18,401,252.53x = 290,482,376,683,923.25
  5. Step 5: Solve for x
    x = 290,482,376,683,923.25/18,401,252.53
  6. Step 6: Final answer
    x = 15,786,011.10

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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.