Home / 28,148,209.12-38,824,497.84-25,832,580.64

Finding the Fourth Proportional to 28,148,209.12, 38,824,497.84 and 25,832,580.64

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Solution

The fourth proportional to 28,148,209.12, 38,824,497.84 and 25,832,580.64 is: 35,630,578.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,148,209.12 : 38,824,497.84 = 25,832,580.64 : x
  2. Step 2: Convert to fraction form
    28,148,209.12/38,824,497.84 = 25,832,580.64/x
  3. Step 3: Cross multiply
    28,148,209.12x = 38,824,497.84 × 25,832,580.64
  4. Step 4: Simplify right side
    28,148,209.12x = 1,002,936,971,259,305.88
  5. Step 5: Solve for x
    x = 1,002,936,971,259,305.88/28,148,209.12
  6. Step 6: Final answer
    x = 35,630,578.38

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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.