Home / 19,680,961.92-27,165,130.11-11,423,684.40

Finding the Fourth Proportional to 19,680,961.92, 27,165,130.11 and 11,423,684.40

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Solution

The fourth proportional to 19,680,961.92, 27,165,130.11 and 11,423,684.40 is: 15,767,820.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680,961.92 : 27,165,130.11 = 11,423,684.40 : x
  2. Step 2: Convert to fraction form
    19,680,961.92/27,165,130.11 = 11,423,684.40/x
  3. Step 3: Cross multiply
    19,680,961.92x = 27,165,130.11 × 11,423,684.40
  4. Step 4: Simplify right side
    19,680,961.92x = 310,325,873,061,577.31
  5. Step 5: Solve for x
    x = 310,325,873,061,577.31/19,680,961.92
  6. Step 6: Final answer
    x = 15,767,820.41

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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.