Home / 20,122,703.15-30,183,411.13-8,457,254.87

Finding the Fourth Proportional to 20,122,703.15, 30,183,411.13 and 8,457,254.87

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Solution

The fourth proportional to 20,122,703.15, 30,183,411.13 and 8,457,254.87 is: 12,685,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,122,703.15 : 30,183,411.13 = 8,457,254.87 : x
  2. Step 2: Convert to fraction form
    20,122,703.15/30,183,411.13 = 8,457,254.87/x
  3. Step 3: Cross multiply
    20,122,703.15x = 30,183,411.13 × 8,457,254.87
  4. Step 4: Simplify right side
    20,122,703.15x = 255,268,800,600,344.53
  5. Step 5: Solve for x
    x = 255,268,800,600,344.53/20,122,703.15
  6. Step 6: Final answer
    x = 12,685,611.81

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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.