Home / 21,556,586.40-32,287,640.40-18,722,234.40

Finding the Fourth Proportional to 21,556,586.40, 32,287,640.40 and 18,722,234.40

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Solution

The fourth proportional to 21,556,586.40, 32,287,640.40 and 18,722,234.40 is: 28,042,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556,586.40 : 32,287,640.40 = 18,722,234.40 : x
  2. Step 2: Convert to fraction form
    21,556,586.40/32,287,640.40 = 18,722,234.40/x
  3. Step 3: Cross multiply
    21,556,586.40x = 32,287,640.40 × 18,722,234.40
  4. Step 4: Simplify right side
    21,556,586.40x = 604,496,771,791,709.62
  5. Step 5: Solve for x
    x = 604,496,771,791,709.62/21,556,586.40
  6. Step 6: Final answer
    x = 28,042,323.61

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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.