Home / 12,308,818.80-18,446,724.53-9,579,661.73

Finding the Fourth Proportional to 12,308,818.80, 18,446,724.53 and 9,579,661.73

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Solution

The fourth proportional to 12,308,818.80, 18,446,724.53 and 9,579,661.73 is: 14,356,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,818.80 : 18,446,724.53 = 9,579,661.73 : x
  2. Step 2: Convert to fraction form
    12,308,818.80/18,446,724.53 = 9,579,661.73/x
  3. Step 3: Cross multiply
    12,308,818.80x = 18,446,724.53 × 9,579,661.73
  4. Step 4: Simplify right side
    12,308,818.80x = 176,713,380,883,761.28
  5. Step 5: Solve for x
    x = 176,713,380,883,761.28/12,308,818.80
  6. Step 6: Final answer
    x = 14,356,648.17

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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.