Home / 12,140,843.10-18,210,843.45-3,043,020.30

Finding the Fourth Proportional to 12,140,843.10, 18,210,843.45 and 3,043,020.30

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Solution

The fourth proportional to 12,140,843.10, 18,210,843.45 and 3,043,020.30 is: 4,564,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140,843.10 : 18,210,843.45 = 3,043,020.30 : x
  2. Step 2: Convert to fraction form
    12,140,843.10/18,210,843.45 = 3,043,020.30/x
  3. Step 3: Cross multiply
    12,140,843.10x = 18,210,843.45 × 3,043,020.30
  4. Step 4: Simplify right side
    12,140,843.10x = 55,415,966,298,472.03
  5. Step 5: Solve for x
    x = 55,415,966,298,472.03/12,140,843.10
  6. Step 6: Final answer
    x = 4,564,424.88

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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.