Home / 25,758,979.20-38,638,468.80-12,322,051.20

Finding the Fourth Proportional to 25,758,979.20, 38,638,468.80 and 12,322,051.20

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Solution

The fourth proportional to 25,758,979.20, 38,638,468.80 and 12,322,051.20 is: 18,483,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,758,979.20 : 38,638,468.80 = 12,322,051.20 : x
  2. Step 2: Convert to fraction form
    25,758,979.20/38,638,468.80 = 12,322,051.20/x
  3. Step 3: Cross multiply
    25,758,979.20x = 38,638,468.80 × 12,322,051.20
  4. Step 4: Simplify right side
    25,758,979.20x = 476,105,190,843,202.50
  5. Step 5: Solve for x
    x = 476,105,190,843,202.50/25,758,979.20
  6. Step 6: Final answer
    x = 18,483,076.80

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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.