Home / 14,721,192.72-20,314,267.20-8,194,654.38

Finding the Fourth Proportional to 14,721,192.72, 20,314,267.20 and 8,194,654.38

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Solution

The fourth proportional to 14,721,192.72, 20,314,267.20 and 8,194,654.38 is: 11,308,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721,192.72 : 20,314,267.20 = 8,194,654.38 : x
  2. Step 2: Convert to fraction form
    14,721,192.72/20,314,267.20 = 8,194,654.38/x
  3. Step 3: Cross multiply
    14,721,192.72x = 20,314,267.20 × 8,194,654.38
  4. Step 4: Simplify right side
    14,721,192.72x = 166,468,398,686,970.31
  5. Step 5: Solve for x
    x = 166,468,398,686,970.31/14,721,192.72
  6. Step 6: Final answer
    x = 11,308,078.21

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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.