Home / 13,085,981.21-19,627,470.08-3,502,107.38

Finding the Fourth Proportional to 13,085,981.21, 19,627,470.08 and 3,502,107.38

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Solution

The fourth proportional to 13,085,981.21, 19,627,470.08 and 3,502,107.38 is: 5,252,759.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085,981.21 : 19,627,470.08 = 3,502,107.38 : x
  2. Step 2: Convert to fraction form
    13,085,981.21/19,627,470.08 = 3,502,107.38/x
  3. Step 3: Cross multiply
    13,085,981.21x = 19,627,470.08 × 3,502,107.38
  4. Step 4: Simplify right side
    13,085,981.21x = 68,737,507,800,386.65
  5. Step 5: Solve for x
    x = 68,737,507,800,386.65/13,085,981.21
  6. Step 6: Final answer
    x = 5,252,759.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.