Home / 20,234,910.10-30,341,867.55-7,448,833.30

Finding the Fourth Proportional to 20,234,910.10, 30,341,867.55 and 7,448,833.30

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Solution

The fourth proportional to 20,234,910.10, 30,341,867.55 and 7,448,833.30 is: 11,169,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234,910.10 : 30,341,867.55 = 7,448,833.30 : x
  2. Step 2: Convert to fraction form
    20,234,910.10/30,341,867.55 = 7,448,833.30/x
  3. Step 3: Cross multiply
    20,234,910.10x = 30,341,867.55 × 7,448,833.30
  4. Step 4: Simplify right side
    20,234,910.10x = 226,011,513,390,629.41
  5. Step 5: Solve for x
    x = 226,011,513,390,629.41/20,234,910.10
  6. Step 6: Final answer
    x = 11,169,385.60

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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.