Home / 18,591,981.10-27,943,958.85-16,128,544.30

Finding the Fourth Proportional to 18,591,981.10, 27,943,958.85 and 16,128,544.30

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Solution

The fourth proportional to 18,591,981.10, 27,943,958.85 and 16,128,544.30 is: 24,241,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,981.10 : 27,943,958.85 = 16,128,544.30 : x
  2. Step 2: Convert to fraction form
    18,591,981.10/27,943,958.85 = 16,128,544.30/x
  3. Step 3: Cross multiply
    18,591,981.10x = 27,943,958.85 × 16,128,544.30
  4. Step 4: Simplify right side
    18,591,981.10x = 450,695,378,229,602.12
  5. Step 5: Solve for x
    x = 450,695,378,229,602.12/18,591,981.10
  6. Step 6: Final answer
    x = 24,241,385.35

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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.