Home / 12,943,620.10-19,422,848.40-5,265,847.90

Finding the Fourth Proportional to 12,943,620.10, 19,422,848.40 and 5,265,847.90

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Solution

The fourth proportional to 12,943,620.10, 19,422,848.40 and 5,265,847.90 is: 7,901,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943,620.10 : 19,422,848.40 = 5,265,847.90 : x
  2. Step 2: Convert to fraction form
    12,943,620.10/19,422,848.40 = 5,265,847.90/x
  3. Step 3: Cross multiply
    12,943,620.10x = 19,422,848.40 × 5,265,847.90
  4. Step 4: Simplify right side
    12,943,620.10x = 102,277,765,459,158.36
  5. Step 5: Solve for x
    x = 102,277,765,459,158.36/12,943,620.10
  6. Step 6: Final answer
    x = 7,901,789.81

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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.