Home / 20,370,672.10-30,569,468.55-9,591,055.30

Finding the Fourth Proportional to 20,370,672.10, 30,569,468.55 and 9,591,055.30

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Solution

The fourth proportional to 20,370,672.10, 30,569,468.55 and 9,591,055.30 is: 14,392,920.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,370,672.10 : 30,569,468.55 = 9,591,055.30 : x
  2. Step 2: Convert to fraction form
    20,370,672.10/30,569,468.55 = 9,591,055.30/x
  3. Step 3: Cross multiply
    20,370,672.10x = 30,569,468.55 × 9,591,055.30
  4. Step 4: Simplify right side
    20,370,672.10x = 293,193,463,354,660.88
  5. Step 5: Solve for x
    x = 293,193,463,354,660.88/20,370,672.10
  6. Step 6: Final answer
    x = 14,392,920.47

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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.