Home / 37,490,066.84-51,741,078.10-20,971,109.12

Finding the Fourth Proportional to 37,490,066.84, 51,741,078.10 and 20,971,109.12

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Solution

The fourth proportional to 37,490,066.84, 51,741,078.10 and 20,971,109.12 is: 28,942,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,490,066.84 : 51,741,078.10 = 20,971,109.12 : x
  2. Step 2: Convert to fraction form
    37,490,066.84/51,741,078.10 = 20,971,109.12/x
  3. Step 3: Cross multiply
    37,490,066.84x = 51,741,078.10 × 20,971,109.12
  4. Step 4: Simplify right side
    37,490,066.84x = 1,085,067,794,821,542.38
  5. Step 5: Solve for x
    x = 1,085,067,794,821,542.38/37,490,066.84
  6. Step 6: Final answer
    x = 28,942,807.69

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1.5x scale

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.