Home / 28,868,350-39,838,309.16-17,265,913.24

Finding the Fourth Proportional to 28,868,350, 39,838,309.16 and 17,265,913.24

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Solution

The fourth proportional to 28,868,350, 39,838,309.16 and 17,265,913.24 is: 23,826,951.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868,350 : 39,838,309.16 = 17,265,913.24 : x
  2. Step 2: Convert to fraction form
    28,868,350/39,838,309.16 = 17,265,913.24/x
  3. Step 3: Cross multiply
    28,868,350x = 39,838,309.16 × 17,265,913.24
  4. Step 4: Simplify right side
    28,868,350x = 687,844,789,584,857.12
  5. Step 5: Solve for x
    x = 687,844,789,584,857.12/28,868,350
  6. Step 6: Final answer
    x = 23,826,951.99

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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.