Home / 20,571,217.15-30,856,511.88-5,009,191.57

Finding the Fourth Proportional to 20,571,217.15, 30,856,511.88 and 5,009,191.57

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Solution

The fourth proportional to 20,571,217.15, 30,856,511.88 and 5,009,191.57 is: 7,513,710.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,571,217.15 : 30,856,511.88 = 5,009,191.57 : x
  2. Step 2: Convert to fraction form
    20,571,217.15/30,856,511.88 = 5,009,191.57/x
  3. Step 3: Cross multiply
    20,571,217.15x = 30,856,511.88 × 5,009,191.57
  4. Step 4: Simplify right side
    20,571,217.15x = 154,566,179,188,900.84
  5. Step 5: Solve for x
    x = 154,566,179,188,900.84/20,571,217.15
  6. Step 6: Final answer
    x = 7,513,710.93

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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.