Home / 21,856,466.57-30,161,323.54-12,066,732.86

Finding the Fourth Proportional to 21,856,466.57, 30,161,323.54 and 12,066,732.86

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Solution

The fourth proportional to 21,856,466.57, 30,161,323.54 and 12,066,732.86 is: 16,651,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,466.57 : 30,161,323.54 = 12,066,732.86 : x
  2. Step 2: Convert to fraction form
    21,856,466.57/30,161,323.54 = 12,066,732.86/x
  3. Step 3: Cross multiply
    21,856,466.57x = 30,161,323.54 × 12,066,732.86
  4. Step 4: Simplify right side
    21,856,466.57x = 363,948,633,946,025.75
  5. Step 5: Solve for x
    x = 363,948,633,946,025.75/21,856,466.57
  6. Step 6: Final answer
    x = 16,651,759.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.