Home / 6,642,993.78-9,167,359.41-3,742,419.42

Finding the Fourth Proportional to 6,642,993.78, 9,167,359.41 and 3,742,419.42

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Solution

The fourth proportional to 6,642,993.78, 9,167,359.41 and 3,742,419.42 is: 5,164,554.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,993.78 : 9,167,359.41 = 3,742,419.42 : x
  2. Step 2: Convert to fraction form
    6,642,993.78/9,167,359.41 = 3,742,419.42/x
  3. Step 3: Cross multiply
    6,642,993.78x = 9,167,359.41 × 3,742,419.42
  4. Step 4: Simplify right side
    6,642,993.78x = 34,308,103,886,103.74
  5. Step 5: Solve for x
    x = 34,308,103,886,103.74/6,642,993.78
  6. Step 6: Final answer
    x = 5,164,554.57

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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.