Home / 20,725,488.56-31,090,306.44-6,348,390.32

Finding the Fourth Proportional to 20,725,488.56, 31,090,306.44 and 6,348,390.32

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Solution

The fourth proportional to 20,725,488.56, 31,090,306.44 and 6,348,390.32 is: 9,523,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,725,488.56 : 31,090,306.44 = 6,348,390.32 : x
  2. Step 2: Convert to fraction form
    20,725,488.56/31,090,306.44 = 6,348,390.32/x
  3. Step 3: Cross multiply
    20,725,488.56x = 31,090,306.44 × 6,348,390.32
  4. Step 4: Simplify right side
    20,725,488.56x = 197,373,400,449,529.69
  5. Step 5: Solve for x
    x = 197,373,400,449,529.69/20,725,488.56
  6. Step 6: Final answer
    x = 9,523,220.64

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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.