Home / 7,221,821.76-10,829,289.60-2,672,665.92

Finding the Fourth Proportional to 7,221,821.76, 10,829,289.60 and 2,672,665.92

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Solution

The fourth proportional to 7,221,821.76, 10,829,289.60 and 2,672,665.92 is: 4,007,724.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221,821.76 : 10,829,289.60 = 2,672,665.92 : x
  2. Step 2: Convert to fraction form
    7,221,821.76/10,829,289.60 = 2,672,665.92/x
  3. Step 3: Cross multiply
    7,221,821.76x = 10,829,289.60 × 2,672,665.92
  4. Step 4: Simplify right side
    7,221,821.76x = 28,943,073,251,730.43
  5. Step 5: Solve for x
    x = 28,943,073,251,730.43/7,221,821.76
  6. Step 6: Final answer
    x = 4,007,724.67

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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.