Home / 18,795,549.20-28,172,328.60-8,011,014.80

Finding the Fourth Proportional to 18,795,549.20, 28,172,328.60 and 8,011,014.80

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Solution

The fourth proportional to 18,795,549.20, 28,172,328.60 and 8,011,014.80 is: 12,007,573.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795,549.20 : 28,172,328.60 = 8,011,014.80 : x
  2. Step 2: Convert to fraction form
    18,795,549.20/28,172,328.60 = 8,011,014.80/x
  3. Step 3: Cross multiply
    18,795,549.20x = 28,172,328.60 × 8,011,014.80
  4. Step 4: Simplify right side
    18,795,549.20x = 225,688,941,365,063.28
  5. Step 5: Solve for x
    x = 225,688,941,365,063.28/18,795,549.20
  6. Step 6: Final answer
    x = 12,007,573.65

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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.