Home / 10,857,729.17-16,288,829.66-3,181,623.71

Finding the Fourth Proportional to 10,857,729.17, 16,288,829.66 and 3,181,623.71

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Solution

The fourth proportional to 10,857,729.17, 16,288,829.66 and 3,181,623.71 is: 4,773,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857,729.17 : 16,288,829.66 = 3,181,623.71 : x
  2. Step 2: Convert to fraction form
    10,857,729.17/16,288,829.66 = 3,181,623.71/x
  3. Step 3: Cross multiply
    10,857,729.17x = 16,288,829.66 × 3,181,623.71
  4. Step 4: Simplify right side
    10,857,729.17x = 51,824,926,580,917.15
  5. Step 5: Solve for x
    x = 51,824,926,580,917.15/10,857,729.17
  6. Step 6: Final answer
    x = 4,773,090.74

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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.