Home / 40,865,149.38-61,312,670.86-19,015,949.12

Finding the Fourth Proportional to 40,865,149.38, 61,312,670.86 and 19,015,949.12

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Solution

The fourth proportional to 40,865,149.38, 61,312,670.86 and 19,015,949.12 is: 28,530,878.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,865,149.38 : 61,312,670.86 = 19,015,949.12 : x
  2. Step 2: Convert to fraction form
    40,865,149.38/61,312,670.86 = 19,015,949.12/x
  3. Step 3: Cross multiply
    40,865,149.38x = 61,312,670.86 × 19,015,949.12
  4. Step 4: Simplify right side
    40,865,149.38x = 1,165,918,629,485,066.75
  5. Step 5: Solve for x
    x = 1,165,918,629,485,066.75/40,865,149.38
  6. Step 6: Final answer
    x = 28,530,878.93

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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.