Home / 28,433,940.68-39,198,026.58-20,271,006.92

Finding the Fourth Proportional to 28,433,940.68, 39,198,026.58 and 20,271,006.92

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Solution

The fourth proportional to 28,433,940.68, 39,198,026.58 and 20,271,006.92 is: 27,944,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,433,940.68 : 39,198,026.58 = 20,271,006.92 : x
  2. Step 2: Convert to fraction form
    28,433,940.68/39,198,026.58 = 20,271,006.92/x
  3. Step 3: Cross multiply
    28,433,940.68x = 39,198,026.58 × 20,271,006.92
  4. Step 4: Simplify right side
    28,433,940.68x = 794,583,468,053,524
  5. Step 5: Solve for x
    x = 794,583,468,053,524/28,433,940.68
  6. Step 6: Final answer
    x = 27,944,894.34

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1.5x scale

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.