Home / 18,591,880.88-25,652,815.76-10,853,411.04

Finding the Fourth Proportional to 18,591,880.88, 25,652,815.76 and 10,853,411.04

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Solution

The fourth proportional to 18,591,880.88, 25,652,815.76 and 10,853,411.04 is: 14,975,383.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,880.88 : 25,652,815.76 = 10,853,411.04 : x
  2. Step 2: Convert to fraction form
    18,591,880.88/25,652,815.76 = 10,853,411.04/x
  3. Step 3: Cross multiply
    18,591,880.88x = 25,652,815.76 × 10,853,411.04
  4. Step 4: Simplify right side
    18,591,880.88x = 278,420,553,776,670
  5. Step 5: Solve for x
    x = 278,420,553,776,670/18,591,880.88
  6. Step 6: Final answer
    x = 14,975,383.91

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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.