Home / 20,332,323.61-28,058,639.79-11,039,911.65

Finding the Fourth Proportional to 20,332,323.61, 28,058,639.79 and 11,039,911.65

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Solution

The fourth proportional to 20,332,323.61, 28,058,639.79 and 11,039,911.65 is: 15,235,096.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332,323.61 : 28,058,639.79 = 11,039,911.65 : x
  2. Step 2: Convert to fraction form
    20,332,323.61/28,058,639.79 = 11,039,911.65/x
  3. Step 3: Cross multiply
    20,332,323.61x = 28,058,639.79 × 11,039,911.65
  4. Step 4: Simplify right side
    20,332,323.61x = 309,764,904,300,774.56
  5. Step 5: Solve for x
    x = 309,764,904,300,774.56/20,332,323.61
  6. Step 6: Final answer
    x = 15,235,096.11

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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.