Home / 9,233,145.42-12,742,400-5,103,087.80

Finding the Fourth Proportional to 9,233,145.42, 12,742,400 and 5,103,087.80

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Solution

The fourth proportional to 9,233,145.42, 12,742,400 and 5,103,087.80 is: 7,042,625.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,233,145.42 : 12,742,400 = 5,103,087.80 : x
  2. Step 2: Convert to fraction form
    9,233,145.42/12,742,400 = 5,103,087.80/x
  3. Step 3: Cross multiply
    9,233,145.42x = 12,742,400 × 5,103,087.80
  4. Step 4: Simplify right side
    9,233,145.42x = 65,025,585,982,720
  5. Step 5: Solve for x
    x = 65,025,585,982,720/9,233,145.42
  6. Step 6: Final answer
    x = 7,042,625.57

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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.