Home / 13,378,712.10-20,068,068.15-3,281,333.10

Finding the Fourth Proportional to 13,378,712.10, 20,068,068.15 and 3,281,333.10

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Solution

The fourth proportional to 13,378,712.10, 20,068,068.15 and 3,281,333.10 is: 4,921,999.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378,712.10 : 20,068,068.15 = 3,281,333.10 : x
  2. Step 2: Convert to fraction form
    13,378,712.10/20,068,068.15 = 3,281,333.10/x
  3. Step 3: Cross multiply
    13,378,712.10x = 20,068,068.15 × 3,281,333.10
  4. Step 4: Simplify right side
    13,378,712.10x = 65,850,016,273,650.77
  5. Step 5: Solve for x
    x = 65,850,016,273,650.77/13,378,712.10
  6. Step 6: Final answer
    x = 4,921,999.65

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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.