Home / 30,649,908.56-42,297,203.77-16,711,149.71

Finding the Fourth Proportional to 30,649,908.56, 42,297,203.77 and 16,711,149.71

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Solution

The fourth proportional to 30,649,908.56, 42,297,203.77 and 16,711,149.71 is: 23,061,566.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,649,908.56 : 42,297,203.77 = 16,711,149.71 : x
  2. Step 2: Convert to fraction form
    30,649,908.56/42,297,203.77 = 16,711,149.71/x
  3. Step 3: Cross multiply
    30,649,908.56x = 42,297,203.77 × 16,711,149.71
  4. Step 4: Simplify right side
    30,649,908.56x = 706,834,904,578,811.50
  5. Step 5: Solve for x
    x = 706,834,904,578,811.50/30,649,908.56
  6. Step 6: Final answer
    x = 23,061,566.51

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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.