Home / 20,736,022.20-31,104,033.30-19,896,214.20

Finding the Fourth Proportional to 20,736,022.20, 31,104,033.30 and 19,896,214.20

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Solution

The fourth proportional to 20,736,022.20, 31,104,033.30 and 19,896,214.20 is: 29,844,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,022.20 : 31,104,033.30 = 19,896,214.20 : x
  2. Step 2: Convert to fraction form
    20,736,022.20/31,104,033.30 = 19,896,214.20/x
  3. Step 3: Cross multiply
    20,736,022.20x = 31,104,033.30 × 19,896,214.20
  4. Step 4: Simplify right side
    20,736,022.20x = 618,852,509,020,732.88
  5. Step 5: Solve for x
    x = 618,852,509,020,732.88/20,736,022.20
  6. Step 6: Final answer
    x = 29,844,321.30

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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.