Home / 19,681,013.19-27,165,200.24-11,423,735.70

Finding the Fourth Proportional to 19,681,013.19, 27,165,200.24 and 11,423,735.70

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Solution

The fourth proportional to 19,681,013.19, 27,165,200.24 and 11,423,735.70 is: 15,767,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,013.19 : 27,165,200.24 = 11,423,735.70 : x
  2. Step 2: Convert to fraction form
    19,681,013.19/27,165,200.24 = 11,423,735.70/x
  3. Step 3: Cross multiply
    19,681,013.19x = 27,165,200.24 × 11,423,735.70
  4. Step 4: Simplify right side
    19,681,013.19x = 310,328,067,722,217.88
  5. Step 5: Solve for x
    x = 310,328,067,722,217.88/19,681,013.19
  6. Step 6: Final answer
    x = 15,767,890.85

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1.5x scale

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.