Home / 18,218,775.56-25,141,911.44-9,958,870.56

Finding the Fourth Proportional to 18,218,775.56, 25,141,911.44 and 9,958,870.56

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Solution

The fourth proportional to 18,218,775.56, 25,141,911.44 and 9,958,870.56 is: 13,743,242.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,218,775.56 : 25,141,911.44 = 9,958,870.56 : x
  2. Step 2: Convert to fraction form
    18,218,775.56/25,141,911.44 = 9,958,870.56/x
  3. Step 3: Cross multiply
    18,218,775.56x = 25,141,911.44 × 9,958,870.56
  4. Step 4: Simplify right side
    18,218,775.56x = 250,385,041,661,943.22
  5. Step 5: Solve for x
    x = 250,385,041,661,943.22/18,218,775.56
  6. Step 6: Final answer
    x = 13,743,242.01

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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.