Home / 20,023,797.18-30,038,694-7,247,291.22

Finding the Fourth Proportional to 20,023,797.18, 30,038,694 and 7,247,291.22

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Solution

The fourth proportional to 20,023,797.18, 30,038,694 and 7,247,291.22 is: 10,872,021.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023,797.18 : 30,038,694 = 7,247,291.22 : x
  2. Step 2: Convert to fraction form
    20,023,797.18/30,038,694 = 7,247,291.22/x
  3. Step 3: Cross multiply
    20,023,797.18x = 30,038,694 × 7,247,291.22
  4. Step 4: Simplify right side
    20,023,797.18x = 217,699,163,286,466.69
  5. Step 5: Solve for x
    x = 217,699,163,286,466.69/20,023,797.18
  6. Step 6: Final answer
    x = 10,872,021.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.