Home / 15,795,001.20-21,800,469.24-10,840,220.40

Finding the Fourth Proportional to 15,795,001.20, 21,800,469.24 and 10,840,220.40

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Solution

The fourth proportional to 15,795,001.20, 21,800,469.24 and 10,840,220.40 is: 14,961,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795,001.20 : 21,800,469.24 = 10,840,220.40 : x
  2. Step 2: Convert to fraction form
    15,795,001.20/21,800,469.24 = 10,840,220.40/x
  3. Step 3: Cross multiply
    15,795,001.20x = 21,800,469.24 × 10,840,220.40
  4. Step 4: Simplify right side
    15,795,001.20x = 236,321,891,385,020.50
  5. Step 5: Solve for x
    x = 236,321,891,385,020.50/15,795,001.20
  6. Step 6: Final answer
    x = 14,961,815.35

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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.