Home / 18,864,145.20-28,296,217.80-6,901,546.80

Finding the Fourth Proportional to 18,864,145.20, 28,296,217.80 and 6,901,546.80

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Solution

The fourth proportional to 18,864,145.20, 28,296,217.80 and 6,901,546.80 is: 10,352,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864,145.20 : 28,296,217.80 = 6,901,546.80 : x
  2. Step 2: Convert to fraction form
    18,864,145.20/28,296,217.80 = 6,901,546.80/x
  3. Step 3: Cross multiply
    18,864,145.20x = 28,296,217.80 × 6,901,546.80
  4. Step 4: Simplify right side
    18,864,145.20x = 195,287,671,409,693.03
  5. Step 5: Solve for x
    x = 195,287,671,409,693.03/18,864,145.20
  6. Step 6: Final answer
    x = 10,352,320.20

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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.