Home / 18,737,029.80-28,116,042.30-7,952,495.40

Finding the Fourth Proportional to 18,737,029.80, 28,116,042.30 and 7,952,495.40

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Solution

The fourth proportional to 18,737,029.80, 28,116,042.30 and 7,952,495.40 is: 11,933,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,737,029.80 : 28,116,042.30 = 7,952,495.40 : x
  2. Step 2: Convert to fraction form
    18,737,029.80/28,116,042.30 = 7,952,495.40/x
  3. Step 3: Cross multiply
    18,737,029.80x = 28,116,042.30 × 7,952,495.40
  4. Step 4: Simplify right side
    18,737,029.80x = 223,592,697,056,955.44
  5. Step 5: Solve for x
    x = 223,592,697,056,955.44/18,737,029.80
  6. Step 6: Final answer
    x = 11,933,198.56

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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.