Home / 28,224,332.20-42,336,498.30-16,858,930.60

Finding the Fourth Proportional to 28,224,332.20, 42,336,498.30 and 16,858,930.60

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Solution

The fourth proportional to 28,224,332.20, 42,336,498.30 and 16,858,930.60 is: 25,288,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,224,332.20 : 42,336,498.30 = 16,858,930.60 : x
  2. Step 2: Convert to fraction form
    28,224,332.20/42,336,498.30 = 16,858,930.60/x
  3. Step 3: Cross multiply
    28,224,332.20x = 42,336,498.30 × 16,858,930.60
  4. Step 4: Simplify right side
    28,224,332.20x = 713,748,086,686,718
  5. Step 5: Solve for x
    x = 713,748,086,686,718/28,224,332.20
  6. Step 6: Final answer
    x = 25,288,395.90

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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.