Home / 14,569,221.72-20,105,688.60-8,042,854.44

Finding the Fourth Proportional to 14,569,221.72, 20,105,688.60 and 8,042,854.44

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Solution

The fourth proportional to 14,569,221.72, 20,105,688.60 and 8,042,854.44 is: 11,099,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569,221.72 : 20,105,688.60 = 8,042,854.44 : x
  2. Step 2: Convert to fraction form
    14,569,221.72/20,105,688.60 = 8,042,854.44/x
  3. Step 3: Cross multiply
    14,569,221.72x = 20,105,688.60 × 8,042,854.44
  4. Step 4: Simplify right side
    14,569,221.72x = 161,707,126,825,767.41
  5. Step 5: Solve for x
    x = 161,707,126,825,767.41/14,569,221.72
  6. Step 6: Final answer
    x = 11,099,228.90

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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.