Home / 18,279,995.20-25,211,684.16-16,070,133.01

Finding the Fourth Proportional to 18,279,995.20, 25,211,684.16 and 16,070,133.01

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Solution

The fourth proportional to 18,279,995.20, 25,211,684.16 and 16,070,133.01 is: 22,163,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,995.20 : 25,211,684.16 = 16,070,133.01 : x
  2. Step 2: Convert to fraction form
    18,279,995.20/25,211,684.16 = 16,070,133.01/x
  3. Step 3: Cross multiply
    18,279,995.20x = 25,211,684.16 × 16,070,133.01
  4. Step 4: Simplify right side
    18,279,995.20x = 405,155,117,857,310.12
  5. Step 5: Solve for x
    x = 405,155,117,857,310.12/18,279,995.20
  6. Step 6: Final answer
    x = 22,163,852.53

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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.