Home / 13,663,124.89-20,498,276.75-4,910,287.20

Finding the Fourth Proportional to 13,663,124.89, 20,498,276.75 and 4,910,287.20

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Solution

The fourth proportional to 13,663,124.89, 20,498,276.75 and 4,910,287.20 is: 7,366,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663,124.89 : 20,498,276.75 = 4,910,287.20 : x
  2. Step 2: Convert to fraction form
    13,663,124.89/20,498,276.75 = 4,910,287.20/x
  3. Step 3: Cross multiply
    13,663,124.89x = 20,498,276.75 × 4,910,287.20
  4. Step 4: Simplify right side
    13,663,124.89x = 100,652,425,863,504.80
  5. Step 5: Solve for x
    x = 100,652,425,863,504.80/13,663,124.89
  6. Step 6: Final answer
    x = 7,366,720.77

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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.