Home / 20,117,486.72-30,175,935.06-4,971,418.40

Finding the Fourth Proportional to 20,117,486.72, 30,175,935.06 and 4,971,418.40

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Solution

The fourth proportional to 20,117,486.72, 30,175,935.06 and 4,971,418.40 is: 7,457,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,486.72 : 30,175,935.06 = 4,971,418.40 : x
  2. Step 2: Convert to fraction form
    20,117,486.72/30,175,935.06 = 4,971,418.40/x
  3. Step 3: Cross multiply
    20,117,486.72x = 30,175,935.06 × 4,971,418.40
  4. Step 4: Simplify right side
    20,117,486.72x = 150,017,198,794,489.09
  5. Step 5: Solve for x
    x = 150,017,198,794,489.09/20,117,486.72
  6. Step 6: Final answer
    x = 7,457,054.69

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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.