Home / 19,947,020.13-29,920,538.40-4,800,951.63

Finding the Fourth Proportional to 19,947,020.13, 29,920,538.40 and 4,800,951.63

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Solution

The fourth proportional to 19,947,020.13, 29,920,538.40 and 4,800,951.63 is: 7,201,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947,020.13 : 29,920,538.40 = 4,800,951.63 : x
  2. Step 2: Convert to fraction form
    19,947,020.13/29,920,538.40 = 4,800,951.63/x
  3. Step 3: Cross multiply
    19,947,020.13x = 29,920,538.40 × 4,800,951.63
  4. Step 4: Simplify right side
    19,947,020.13x = 143,647,057,601,957.59
  5. Step 5: Solve for x
    x = 143,647,057,601,957.59/19,947,020.13
  6. Step 6: Final answer
    x = 7,201,429.42

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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.