Home / 19,072,078.20-28,608,117.30-16,981,889.40

Finding the Fourth Proportional to 19,072,078.20, 28,608,117.30 and 16,981,889.40

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Solution

The fourth proportional to 19,072,078.20, 28,608,117.30 and 16,981,889.40 is: 25,472,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072,078.20 : 28,608,117.30 = 16,981,889.40 : x
  2. Step 2: Convert to fraction form
    19,072,078.20/28,608,117.30 = 16,981,889.40/x
  3. Step 3: Cross multiply
    19,072,078.20x = 28,608,117.30 × 16,981,889.40
  4. Step 4: Simplify right side
    19,072,078.20x = 485,819,883,930,826.56
  5. Step 5: Solve for x
    x = 485,819,883,930,826.56/19,072,078.20
  6. Step 6: Final answer
    x = 25,472,834.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.