Home / 13,290,414.60-19,944,953.10-5,722,811.40

Finding the Fourth Proportional to 13,290,414.60, 19,944,953.10 and 5,722,811.40

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Solution

The fourth proportional to 13,290,414.60, 19,944,953.10 and 5,722,811.40 is: 8,588,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290,414.60 : 19,944,953.10 = 5,722,811.40 : x
  2. Step 2: Convert to fraction form
    13,290,414.60/19,944,953.10 = 5,722,811.40/x
  3. Step 3: Cross multiply
    13,290,414.60x = 19,944,953.10 × 5,722,811.40
  4. Step 4: Simplify right side
    13,290,414.60x = 114,141,204,973,145.36
  5. Step 5: Solve for x
    x = 114,141,204,973,145.36/13,290,414.60
  6. Step 6: Final answer
    x = 8,588,235.09

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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.