Home / 18,585,901.90-25,643,906.04-11,144,731.93

Finding the Fourth Proportional to 18,585,901.90, 25,643,906.04 and 11,144,731.93

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Solution

The fourth proportional to 18,585,901.90, 25,643,906.04 and 11,144,731.93 is: 15,376,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585,901.90 : 25,643,906.04 = 11,144,731.93 : x
  2. Step 2: Convert to fraction form
    18,585,901.90/25,643,906.04 = 11,144,731.93/x
  3. Step 3: Cross multiply
    18,585,901.90x = 25,643,906.04 × 11,144,731.93
  4. Step 4: Simplify right side
    18,585,901.90x = 285,794,458,453,907.81
  5. Step 5: Solve for x
    x = 285,794,458,453,907.81/18,585,901.90
  6. Step 6: Final answer
    x = 15,376,948.61

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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.