Home / 18,693,330.80-28,042,235.24-5,737,784.72

Finding the Fourth Proportional to 18,693,330.80, 28,042,235.24 and 5,737,784.72

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Solution

The fourth proportional to 18,693,330.80, 28,042,235.24 and 5,737,784.72 is: 8,607,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,330.80 : 28,042,235.24 = 5,737,784.72 : x
  2. Step 2: Convert to fraction form
    18,693,330.80/28,042,235.24 = 5,737,784.72/x
  3. Step 3: Cross multiply
    18,693,330.80x = 28,042,235.24 × 5,737,784.72
  4. Step 4: Simplify right side
    18,693,330.80x = 160,900,308,705,817.44
  5. Step 5: Solve for x
    x = 160,900,308,705,817.44/18,693,330.80
  6. Step 6: Final answer
    x = 8,607,364.33

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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.