Home / 8,128,281.57-12,202,826.87-6,982,856.22

Finding the Fourth Proportional to 8,128,281.57, 12,202,826.87 and 6,982,856.22

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Solution

The fourth proportional to 8,128,281.57, 12,202,826.87 and 6,982,856.22 is: 10,483,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128,281.57 : 12,202,826.87 = 6,982,856.22 : x
  2. Step 2: Convert to fraction form
    8,128,281.57/12,202,826.87 = 6,982,856.22/x
  3. Step 3: Cross multiply
    8,128,281.57x = 12,202,826.87 × 6,982,856.22
  4. Step 4: Simplify right side
    8,128,281.57x = 85,210,585,510,762.62
  5. Step 5: Solve for x
    x = 85,210,585,510,762.62/8,128,281.57
  6. Step 6: Final answer
    x = 10,483,222.66

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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.