Home / 12,584,764.80-18,891,338.40-8,333,236.80

Finding the Fourth Proportional to 12,584,764.80, 18,891,338.40 and 8,333,236.80

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Solution

The fourth proportional to 12,584,764.80, 18,891,338.40 and 8,333,236.80 is: 12,509,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,584,764.80 : 18,891,338.40 = 8,333,236.80 : x
  2. Step 2: Convert to fraction form
    12,584,764.80/18,891,338.40 = 8,333,236.80/x
  3. Step 3: Cross multiply
    12,584,764.80x = 18,891,338.40 × 8,333,236.80
  4. Step 4: Simplify right side
    12,584,764.80x = 157,425,996,356,133.09
  5. Step 5: Solve for x
    x = 157,425,996,356,133.09/12,584,764.80
  6. Step 6: Final answer
    x = 12,509,252.17

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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.