Home / 8,455,429.20-12,683,083.05-2,065,622.70

Finding the Fourth Proportional to 8,455,429.20, 12,683,083.05 and 2,065,622.70

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Solution

The fourth proportional to 8,455,429.20, 12,683,083.05 and 2,065,622.70 is: 3,098,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455,429.20 : 12,683,083.05 = 2,065,622.70 : x
  2. Step 2: Convert to fraction form
    8,455,429.20/12,683,083.05 = 2,065,622.70/x
  3. Step 3: Cross multiply
    8,455,429.20x = 12,683,083.05 × 2,065,622.70
  4. Step 4: Simplify right side
    8,455,429.20x = 26,198,464,254,065.23
  5. Step 5: Solve for x
    x = 26,198,464,254,065.23/8,455,429.20
  6. Step 6: Final answer
    x = 3,098,419.21

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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.