Home / 27,804,766.08-38,372,851.06-15,418,744.72

Finding the Fourth Proportional to 27,804,766.08, 38,372,851.06 and 15,418,744.72

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Solution

The fourth proportional to 27,804,766.08, 38,372,851.06 and 15,418,744.72 is: 21,279,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804,766.08 : 38,372,851.06 = 15,418,744.72 : x
  2. Step 2: Convert to fraction form
    27,804,766.08/38,372,851.06 = 15,418,744.72/x
  3. Step 3: Cross multiply
    27,804,766.08x = 38,372,851.06 × 15,418,744.72
  4. Step 4: Simplify right side
    27,804,766.08x = 591,661,194,672,721.50
  5. Step 5: Solve for x
    x = 591,661,194,672,721.50/27,804,766.08
  6. Step 6: Final answer
    x = 21,279,128.66

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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.