Home / 14,573,721.42-20,113,508.79-8,462,149.92

Finding the Fourth Proportional to 14,573,721.42, 20,113,508.79 and 8,462,149.92

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Solution

The fourth proportional to 14,573,721.42, 20,113,508.79 and 8,462,149.92 is: 11,678,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573,721.42 : 20,113,508.79 = 8,462,149.92 : x
  2. Step 2: Convert to fraction form
    14,573,721.42/20,113,508.79 = 8,462,149.92/x
  3. Step 3: Cross multiply
    14,573,721.42x = 20,113,508.79 × 8,462,149.92
  4. Step 4: Simplify right side
    14,573,721.42x = 170,203,526,798,217.78
  5. Step 5: Solve for x
    x = 170,203,526,798,217.78/14,573,721.42
  6. Step 6: Final answer
    x = 11,678,796.51

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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.