Home / 20,115,089.70-30,172,634.55-7,336,011.30

Finding the Fourth Proportional to 20,115,089.70, 30,172,634.55 and 7,336,011.30

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Solution

The fourth proportional to 20,115,089.70, 30,172,634.55 and 7,336,011.30 is: 11,004,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,115,089.70 : 30,172,634.55 = 7,336,011.30 : x
  2. Step 2: Convert to fraction form
    20,115,089.70/30,172,634.55 = 7,336,011.30/x
  3. Step 3: Cross multiply
    20,115,089.70x = 30,172,634.55 × 7,336,011.30
  4. Step 4: Simplify right side
    20,115,089.70x = 221,346,788,009,570.41
  5. Step 5: Solve for x
    x = 221,346,788,009,570.41/20,115,089.70
  6. Step 6: Final answer
    x = 11,004,016.95

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1.5x scale

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.