Home / 6,642,996.78-9,167,363.55-3,742,422.42

Finding the Fourth Proportional to 6,642,996.78, 9,167,363.55 and 3,742,422.42

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Solution

The fourth proportional to 6,642,996.78, 9,167,363.55 and 3,742,422.42 is: 5,164,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,996.78 : 9,167,363.55 = 3,742,422.42 : x
  2. Step 2: Convert to fraction form
    6,642,996.78/9,167,363.55 = 3,742,422.42/x
  3. Step 3: Cross multiply
    6,642,996.78x = 9,167,363.55 × 3,742,422.42
  4. Step 4: Simplify right side
    6,642,996.78x = 34,308,146,881,810.79
  5. Step 5: Solve for x
    x = 34,308,146,881,810.79/6,642,996.78
  6. Step 6: Final answer
    x = 5,164,558.71

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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.