Home / 19,681,013.63-27,165,200.85-11,423,736.15

Finding the Fourth Proportional to 19,681,013.63, 27,165,200.85 and 11,423,736.15

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Solution

The fourth proportional to 19,681,013.63, 27,165,200.85 and 11,423,736.15 is: 15,767,891.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,013.63 : 27,165,200.85 = 11,423,736.15 : x
  2. Step 2: Convert to fraction form
    19,681,013.63/27,165,200.85 = 11,423,736.15/x
  3. Step 3: Cross multiply
    19,681,013.63x = 27,165,200.85 × 11,423,736.15
  4. Step 4: Simplify right side
    19,681,013.63x = 310,328,086,972,155.75
  5. Step 5: Solve for x
    x = 310,328,086,972,155.75/19,681,013.63
  6. Step 6: Final answer
    x = 15,767,891.48

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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.