Home / 18,146,305.80-27,219,458.70-12,099,688.20

Finding the Fourth Proportional to 18,146,305.80, 27,219,458.70 and 12,099,688.20

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Solution

The fourth proportional to 18,146,305.80, 27,219,458.70 and 12,099,688.20 is: 18,149,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,305.80 : 27,219,458.70 = 12,099,688.20 : x
  2. Step 2: Convert to fraction form
    18,146,305.80/27,219,458.70 = 12,099,688.20/x
  3. Step 3: Cross multiply
    18,146,305.80x = 27,219,458.70 × 12,099,688.20
  4. Step 4: Simplify right side
    18,146,305.80x = 329,346,963,242,777.31
  5. Step 5: Solve for x
    x = 329,346,963,242,777.31/18,146,305.80
  6. Step 6: Final answer
    x = 18,149,532.30

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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.