Home / 13,189,694.40-19,787,362.83-4,091,594.58

Finding the Fourth Proportional to 13,189,694.40, 19,787,362.83 and 4,091,594.58

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Solution

The fourth proportional to 13,189,694.40, 19,787,362.83 and 4,091,594.58 is: 6,138,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,189,694.40 : 19,787,362.83 = 4,091,594.58 : x
  2. Step 2: Convert to fraction form
    13,189,694.40/19,787,362.83 = 4,091,594.58/x
  3. Step 3: Cross multiply
    13,189,694.40x = 19,787,362.83 × 4,091,594.58
  4. Step 4: Simplify right side
    13,189,694.40x = 80,961,866,507,721.45
  5. Step 5: Solve for x
    x = 80,961,866,507,721.45/13,189,694.40
  6. Step 6: Final answer
    x = 6,138,267.05

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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.