Home / 27,821,046.45-41,731,569.68-13,472,139.45

Finding the Fourth Proportional to 27,821,046.45, 41,731,569.68 and 13,472,139.45

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Solution

The fourth proportional to 27,821,046.45, 41,731,569.68 and 13,472,139.45 is: 20,208,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,821,046.45 : 41,731,569.68 = 13,472,139.45 : x
  2. Step 2: Convert to fraction form
    27,821,046.45/41,731,569.68 = 13,472,139.45/x
  3. Step 3: Cross multiply
    27,821,046.45x = 41,731,569.68 × 13,472,139.45
  4. Step 4: Simplify right side
    27,821,046.45x = 562,213,526,128,991.12
  5. Step 5: Solve for x
    x = 562,213,526,128,991.12/27,821,046.45
  6. Step 6: Final answer
    x = 20,208,209.18

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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.