Home / 25,504,876.90-38,201,238.05-21,077,842.91

Finding the Fourth Proportional to 25,504,876.90, 38,201,238.05 and 21,077,842.91

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Solution

The fourth proportional to 25,504,876.90, 38,201,238.05 and 21,077,842.91 is: 31,570,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,504,876.90 : 38,201,238.05 = 21,077,842.91 : x
  2. Step 2: Convert to fraction form
    25,504,876.90/38,201,238.05 = 21,077,842.91/x
  3. Step 3: Cross multiply
    25,504,876.90x = 38,201,238.05 × 21,077,842.91
  4. Step 4: Simplify right side
    25,504,876.90x = 805,199,694,455,712.12
  5. Step 5: Solve for x
    x = 805,199,694,455,712.12/25,504,876.90
  6. Step 6: Final answer
    x = 31,570,420.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.