Home / 21,472,944-29,632,662.72-11,815,152

Finding the Fourth Proportional to 21,472,944, 29,632,662.72 and 11,815,152

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Solution

The fourth proportional to 21,472,944, 29,632,662.72 and 11,815,152 is: 16,304,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,472,944 : 29,632,662.72 = 11,815,152 : x
  2. Step 2: Convert to fraction form
    21,472,944/29,632,662.72 = 11,815,152/x
  3. Step 3: Cross multiply
    21,472,944x = 29,632,662.72 × 11,815,152
  4. Step 4: Simplify right side
    21,472,944x = 350,114,414,201,533.44
  5. Step 5: Solve for x
    x = 350,114,414,201,533.44/21,472,944
  6. Step 6: Final answer
    x = 16,304,909.76

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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.