Home / 13,820,438.10-20,702,902.29-6,883,018.95

Finding the Fourth Proportional to 13,820,438.10, 20,702,902.29 and 6,883,018.95

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Solution

The fourth proportional to 13,820,438.10, 20,702,902.29 and 6,883,018.95 is: 10,310,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820,438.10 : 20,702,902.29 = 6,883,018.95 : x
  2. Step 2: Convert to fraction form
    13,820,438.10/20,702,902.29 = 6,883,018.95/x
  3. Step 3: Cross multiply
    13,820,438.10x = 20,702,902.29 × 6,883,018.95
  4. Step 4: Simplify right side
    13,820,438.10x = 142,498,468,782,068.41
  5. Step 5: Solve for x
    x = 142,498,468,782,068.41/13,820,438.10
  6. Step 6: Final answer
    x = 10,310,705.62

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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.