Home / 38,765,109.03-53,496,209.24-21,362,077.05

Finding the Fourth Proportional to 38,765,109.03, 53,496,209.24 and 21,362,077.05

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Solution

The fourth proportional to 38,765,109.03, 53,496,209.24 and 21,362,077.05 is: 29,479,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,765,109.03 : 53,496,209.24 = 21,362,077.05 : x
  2. Step 2: Convert to fraction form
    38,765,109.03/53,496,209.24 = 21,362,077.05/x
  3. Step 3: Cross multiply
    38,765,109.03x = 53,496,209.24 × 21,362,077.05
  4. Step 4: Simplify right side
    38,765,109.03x = 1,142,790,143,560,991.50
  5. Step 5: Solve for x
    x = 1,142,790,143,560,991.50/38,765,109.03
  6. Step 6: Final answer
    x = 29,479,864.04

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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.