Home / 12,940,019.10-19,410,028.65-6,204,966.30

Finding the Fourth Proportional to 12,940,019.10, 19,410,028.65 and 6,204,966.30

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Solution

The fourth proportional to 12,940,019.10, 19,410,028.65 and 6,204,966.30 is: 9,307,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,940,019.10 : 19,410,028.65 = 6,204,966.30 : x
  2. Step 2: Convert to fraction form
    12,940,019.10/19,410,028.65 = 6,204,966.30/x
  3. Step 3: Cross multiply
    12,940,019.10x = 19,410,028.65 × 6,204,966.30
  4. Step 4: Simplify right side
    12,940,019.10x = 120,438,573,655,284.48
  5. Step 5: Solve for x
    x = 120,438,573,655,284.48/12,940,019.10
  6. Step 6: Final answer
    x = 9,307,449.45

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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.