Home / 6,642,995.28-9,167,361.48-3,742,420.92

Finding the Fourth Proportional to 6,642,995.28, 9,167,361.48 and 3,742,420.92

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Solution

The fourth proportional to 6,642,995.28, 9,167,361.48 and 3,742,420.92 is: 5,164,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,995.28 : 9,167,361.48 = 3,742,420.92 : x
  2. Step 2: Convert to fraction form
    6,642,995.28/9,167,361.48 = 3,742,420.92/x
  3. Step 3: Cross multiply
    6,642,995.28x = 9,167,361.48 × 3,742,420.92
  4. Step 4: Simplify right side
    6,642,995.28x = 34,308,125,383,954.16
  5. Step 5: Solve for x
    x = 34,308,125,383,954.16/6,642,995.28
  6. Step 6: Final answer
    x = 5,164,556.64

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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.