Home / 19,191,504.45-28,803,003.08-18,561,648.45

Finding the Fourth Proportional to 19,191,504.45, 28,803,003.08 and 18,561,648.45

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Solution

The fourth proportional to 19,191,504.45, 28,803,003.08 and 18,561,648.45 is: 27,857,702.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191,504.45 : 28,803,003.08 = 18,561,648.45 : x
  2. Step 2: Convert to fraction form
    19,191,504.45/28,803,003.08 = 18,561,648.45/x
  3. Step 3: Cross multiply
    19,191,504.45x = 28,803,003.08 × 18,561,648.45
  4. Step 4: Simplify right side
    19,191,504.45x = 534,631,217,382,418.94
  5. Step 5: Solve for x
    x = 534,631,217,382,418.94/19,191,504.45
  6. Step 6: Final answer
    x = 27,857,702.29

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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.