Home / 18,585,903.20-25,643,907.72-11,144,733.17

Finding the Fourth Proportional to 18,585,903.20, 25,643,907.72 and 11,144,733.17

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Solution

The fourth proportional to 18,585,903.20, 25,643,907.72 and 11,144,733.17 is: 15,376,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585,903.20 : 25,643,907.72 = 11,144,733.17 : x
  2. Step 2: Convert to fraction form
    18,585,903.20/25,643,907.72 = 11,144,733.17/x
  3. Step 3: Cross multiply
    18,585,903.20x = 25,643,907.72 × 11,144,733.17
  4. Step 4: Simplify right side
    18,585,903.20x = 285,794,508,847,283.50
  5. Step 5: Solve for x
    x = 285,794,508,847,283.50/18,585,903.20
  6. Step 6: Final answer
    x = 15,376,950.25

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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.