Home / 6,642,997.78-9,167,364.94-3,742,423.42

Finding the Fourth Proportional to 6,642,997.78, 9,167,364.94 and 3,742,423.42

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Solution

The fourth proportional to 6,642,997.78, 9,167,364.94 and 3,742,423.42 is: 5,164,560.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,997.78 : 9,167,364.94 = 3,742,423.42 : x
  2. Step 2: Convert to fraction form
    6,642,997.78/9,167,364.94 = 3,742,423.42/x
  3. Step 3: Cross multiply
    6,642,997.78x = 9,167,364.94 × 3,742,423.42
  4. Step 4: Simplify right side
    6,642,997.78x = 34,308,161,251,142.89
  5. Step 5: Solve for x
    x = 34,308,161,251,142.89/6,642,997.78
  6. Step 6: Final answer
    x = 5,164,560.10

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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.