Home / 10,384,712.80-15,577,069.20-9,188,970.55

Finding the Fourth Proportional to 10,384,712.80, 15,577,069.20 and 9,188,970.55

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Solution

The fourth proportional to 10,384,712.80, 15,577,069.20 and 9,188,970.55 is: 13,783,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384,712.80 : 15,577,069.20 = 9,188,970.55 : x
  2. Step 2: Convert to fraction form
    10,384,712.80/15,577,069.20 = 9,188,970.55/x
  3. Step 3: Cross multiply
    10,384,712.80x = 15,577,069.20 × 9,188,970.55
  4. Step 4: Simplify right side
    10,384,712.80x = 143,137,230,134,112.06
  5. Step 5: Solve for x
    x = 143,137,230,134,112.06/10,384,712.80
  6. Step 6: Final answer
    x = 13,783,455.83

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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.