Home / 38,479,169.08-53,099,358.06-21,075,591.16

Finding the Fourth Proportional to 38,479,169.08, 53,099,358.06 and 21,075,591.16

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Solution

The fourth proportional to 38,479,169.08, 53,099,358.06 and 21,075,591.16 is: 29,083,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,479,169.08 : 53,099,358.06 = 21,075,591.16 : x
  2. Step 2: Convert to fraction form
    38,479,169.08/53,099,358.06 = 21,075,591.16/x
  3. Step 3: Cross multiply
    38,479,169.08x = 53,099,358.06 × 21,075,591.16
  4. Step 4: Simplify right side
    38,479,169.08x = 1,119,100,361,331,010.75
  5. Step 5: Solve for x
    x = 1,119,100,361,331,010.75/38,479,169.08
  6. Step 6: Final answer
    x = 29,083,277.73

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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.