Home / 12,097,179.20-18,145,768.80-10,680,003.20

Finding the Fourth Proportional to 12,097,179.20, 18,145,768.80 and 10,680,003.20

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Solution

The fourth proportional to 12,097,179.20, 18,145,768.80 and 10,680,003.20 is: 16,020,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,179.20 : 18,145,768.80 = 10,680,003.20 : x
  2. Step 2: Convert to fraction form
    12,097,179.20/18,145,768.80 = 10,680,003.20/x
  3. Step 3: Cross multiply
    12,097,179.20x = 18,145,768.80 × 10,680,003.20
  4. Step 4: Simplify right side
    12,097,179.20x = 193,796,868,850,460.16
  5. Step 5: Solve for x
    x = 193,796,868,850,460.16/12,097,179.20
  6. Step 6: Final answer
    x = 16,020,004.80

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1.5x scale

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.