Home / 18,976,731.30-28,465,100.73-6,846,190.74

Finding the Fourth Proportional to 18,976,731.30, 28,465,100.73 and 6,846,190.74

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Solution

The fourth proportional to 18,976,731.30, 28,465,100.73 and 6,846,190.74 is: 10,269,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976,731.30 : 28,465,100.73 = 6,846,190.74 : x
  2. Step 2: Convert to fraction form
    18,976,731.30/28,465,100.73 = 6,846,190.74/x
  3. Step 3: Cross multiply
    18,976,731.30x = 28,465,100.73 × 6,846,190.74
  4. Step 4: Simplify right side
    18,976,731.30x = 194,877,509,030,893.25
  5. Step 5: Solve for x
    x = 194,877,509,030,893.25/18,976,731.30
  6. Step 6: Final answer
    x = 10,269,287.47

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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.