Home / 12,139,754.36-16,752,362.49-6,633,318.24

Finding the Fourth Proportional to 12,139,754.36, 16,752,362.49 and 6,633,318.24

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Solution

The fourth proportional to 12,139,754.36, 16,752,362.49 and 6,633,318.24 is: 9,153,706.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,754.36 : 16,752,362.49 = 6,633,318.24 : x
  2. Step 2: Convert to fraction form
    12,139,754.36/16,752,362.49 = 6,633,318.24/x
  3. Step 3: Cross multiply
    12,139,754.36x = 16,752,362.49 × 6,633,318.24
  4. Step 4: Simplify right side
    12,139,754.36x = 111,123,751,668,008.83
  5. Step 5: Solve for x
    x = 111,123,751,668,008.83/12,139,754.36
  6. Step 6: Final answer
    x = 9,153,706.77

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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.