Home / 19,680,960.92-27,165,128.73-11,423,683.40

Finding the Fourth Proportional to 19,680,960.92, 27,165,128.73 and 11,423,683.40

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Solution

The fourth proportional to 19,680,960.92, 27,165,128.73 and 11,423,683.40 is: 15,767,819.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,680,960.92 : 27,165,128.73 = 11,423,683.40 : x
  2. Step 2: Convert to fraction form
    19,680,960.92/27,165,128.73 = 11,423,683.40/x
  3. Step 3: Cross multiply
    19,680,960.92x = 27,165,128.73 × 11,423,683.40
  4. Step 4: Simplify right side
    19,680,960.92x = 310,325,830,215,761.94
  5. Step 5: Solve for x
    x = 310,325,830,215,761.94/19,680,960.92
  6. Step 6: Final answer
    x = 15,767,819.04

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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.