Home / 28,996,441.72-43,465,932.78-13,616,199.24

Finding the Fourth Proportional to 28,996,441.72, 43,465,932.78 and 13,616,199.24

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Solution

The fourth proportional to 28,996,441.72, 43,465,932.78 and 13,616,199.24 is: 20,410,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996,441.72 : 43,465,932.78 = 13,616,199.24 : x
  2. Step 2: Convert to fraction form
    28,996,441.72/43,465,932.78 = 13,616,199.24/x
  3. Step 3: Cross multiply
    28,996,441.72x = 43,465,932.78 × 13,616,199.24
  4. Step 4: Simplify right side
    28,996,441.72x = 591,840,800,884,927.12
  5. Step 5: Solve for x
    x = 591,840,800,884,927.12/28,996,441.72
  6. Step 6: Final answer
    x = 20,410,807.87

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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.