Home / 20,736,022.40-31,104,033.60-18,846,454.40

Finding the Fourth Proportional to 20,736,022.40, 31,104,033.60 and 18,846,454.40

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Solution

The fourth proportional to 20,736,022.40, 31,104,033.60 and 18,846,454.40 is: 28,269,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,022.40 : 31,104,033.60 = 18,846,454.40 : x
  2. Step 2: Convert to fraction form
    20,736,022.40/31,104,033.60 = 18,846,454.40/x
  3. Step 3: Cross multiply
    20,736,022.40x = 31,104,033.60 × 18,846,454.40
  4. Step 4: Simplify right side
    20,736,022.40x = 586,200,750,898,467.88
  5. Step 5: Solve for x
    x = 586,200,750,898,467.88/20,736,022.40
  6. Step 6: Final answer
    x = 28,269,681.60

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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.