Home / 20,219,954.80-30,329,932.20-5,843,491.60

Finding the Fourth Proportional to 20,219,954.80, 30,329,932.20 and 5,843,491.60

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Solution

The fourth proportional to 20,219,954.80, 30,329,932.20 and 5,843,491.60 is: 8,765,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,954.80 : 30,329,932.20 = 5,843,491.60 : x
  2. Step 2: Convert to fraction form
    20,219,954.80/30,329,932.20 = 5,843,491.60/x
  3. Step 3: Cross multiply
    20,219,954.80x = 30,329,932.20 × 5,843,491.60
  4. Step 4: Simplify right side
    20,219,954.80x = 177,232,704,039,269.50
  5. Step 5: Solve for x
    x = 177,232,704,039,269.50/20,219,954.80
  6. Step 6: Final answer
    x = 8,765,237.40

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1.5x scale

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.