Home / 20,552,738.64-30,829,807.80-9,764,471.76

Finding the Fourth Proportional to 20,552,738.64, 30,829,807.80 and 9,764,471.76

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Solution

The fourth proportional to 20,552,738.64, 30,829,807.80 and 9,764,471.76 is: 14,647,040.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,552,738.64 : 30,829,807.80 = 9,764,471.76 : x
  2. Step 2: Convert to fraction form
    20,552,738.64/30,829,807.80 = 9,764,471.76/x
  3. Step 3: Cross multiply
    20,552,738.64x = 30,829,807.80 × 9,764,471.76
  4. Step 4: Simplify right side
    20,552,738.64x = 301,036,787,629,327.75
  5. Step 5: Solve for x
    x = 301,036,787,629,327.75/20,552,738.64
  6. Step 6: Final answer
    x = 14,647,040.13

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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.