Home / 27,720,891-41,585,243.91-8,553,206.52

Finding the Fourth Proportional to 27,720,891, 41,585,243.91 and 8,553,206.52

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Solution

The fourth proportional to 27,720,891, 41,585,243.91 and 8,553,206.52 is: 12,831,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720,891 : 41,585,243.91 = 8,553,206.52 : x
  2. Step 2: Convert to fraction form
    27,720,891/41,585,243.91 = 8,553,206.52/x
  3. Step 3: Cross multiply
    27,720,891x = 41,585,243.91 × 8,553,206.52
  4. Step 4: Simplify right side
    27,720,891x = 355,687,179,346,802.25
  5. Step 5: Solve for x
    x = 355,687,179,346,802.25/27,720,891
  6. Step 6: Final answer
    x = 12,831,015.40

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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.