Home / 8,200,721.10-12,301,417.89-2,813,076.66

Finding the Fourth Proportional to 8,200,721.10, 12,301,417.89 and 2,813,076.66

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Solution

The fourth proportional to 8,200,721.10, 12,301,417.89 and 2,813,076.66 is: 4,219,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200,721.10 : 12,301,417.89 = 2,813,076.66 : x
  2. Step 2: Convert to fraction form
    8,200,721.10/12,301,417.89 = 2,813,076.66/x
  3. Step 3: Cross multiply
    8,200,721.10x = 12,301,417.89 × 2,813,076.66
  4. Step 4: Simplify right side
    8,200,721.10x = 34,604,831,551,265.45
  5. Step 5: Solve for x
    x = 34,604,831,551,265.45/8,200,721.10
  6. Step 6: Final answer
    x = 4,219,730.33

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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.