Home / 27,755,718.90-38,306,900.54-15,992,735.24

Finding the Fourth Proportional to 27,755,718.90, 38,306,900.54 and 15,992,735.24

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Solution

The fourth proportional to 27,755,718.90, 38,306,900.54 and 15,992,735.24 is: 22,072,284.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755,718.90 : 38,306,900.54 = 15,992,735.24 : x
  2. Step 2: Convert to fraction form
    27,755,718.90/38,306,900.54 = 15,992,735.24/x
  3. Step 3: Cross multiply
    27,755,718.90x = 38,306,900.54 × 15,992,735.24
  4. Step 4: Simplify right side
    27,755,718.90x = 612,632,118,201,233
  5. Step 5: Solve for x
    x = 612,632,118,201,233/27,755,718.90
  6. Step 6: Final answer
    x = 22,072,284.29

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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.