Home / 12,945,440.40-19,422,826.20-5,377,837.20

Finding the Fourth Proportional to 12,945,440.40, 19,422,826.20 and 5,377,837.20

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Solution

The fourth proportional to 12,945,440.40, 19,422,826.20 and 5,377,837.20 is: 8,068,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,945,440.40 : 19,422,826.20 = 5,377,837.20 : x
  2. Step 2: Convert to fraction form
    12,945,440.40/19,422,826.20 = 5,377,837.20/x
  3. Step 3: Cross multiply
    12,945,440.40x = 19,422,826.20 × 5,377,837.20
  4. Step 4: Simplify right side
    12,945,440.40x = 104,452,797,267,494.64
  5. Step 5: Solve for x
    x = 104,452,797,267,494.64/12,945,440.40
  6. Step 6: Final answer
    x = 8,068,694.00

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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.