Home / 28,965,622.80-43,448,434.20-18,887,926.80

Finding the Fourth Proportional to 28,965,622.80, 43,448,434.20 and 18,887,926.80

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Solution

The fourth proportional to 28,965,622.80, 43,448,434.20 and 18,887,926.80 is: 28,331,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,965,622.80 : 43,448,434.20 = 18,887,926.80 : x
  2. Step 2: Convert to fraction form
    28,965,622.80/43,448,434.20 = 18,887,926.80/x
  3. Step 3: Cross multiply
    28,965,622.80x = 43,448,434.20 × 18,887,926.80
  4. Step 4: Simplify right side
    28,965,622.80x = 820,650,844,744,216.62
  5. Step 5: Solve for x
    x = 820,650,844,744,216.62/28,965,622.80
  6. Step 6: Final answer
    x = 28,331,890.20

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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.