Home / 13,883,620.18-20,838,863.85-6,700,210.78

Finding the Fourth Proportional to 13,883,620.18, 20,838,863.85 and 6,700,210.78

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Solution

The fourth proportional to 13,883,620.18, 20,838,863.85 and 6,700,210.78 is: 10,056,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883,620.18 : 20,838,863.85 = 6,700,210.78 : x
  2. Step 2: Convert to fraction form
    13,883,620.18/20,838,863.85 = 6,700,210.78/x
  3. Step 3: Cross multiply
    13,883,620.18x = 20,838,863.85 × 6,700,210.78
  4. Step 4: Simplify right side
    13,883,620.18x = 139,624,780,210,722.31
  5. Step 5: Solve for x
    x = 139,624,780,210,722.31/13,883,620.18
  6. Step 6: Final answer
    x = 10,056,799.19

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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.