Home / 30,372,439.42-41,913,939.32-17,144,400.77

Finding the Fourth Proportional to 30,372,439.42, 41,913,939.32 and 17,144,400.77

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Solution

The fourth proportional to 30,372,439.42, 41,913,939.32 and 17,144,400.77 is: 23,659,257.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372,439.42 : 41,913,939.32 = 17,144,400.77 : x
  2. Step 2: Convert to fraction form
    30,372,439.42/41,913,939.32 = 17,144,400.77/x
  3. Step 3: Cross multiply
    30,372,439.42x = 41,913,939.32 × 17,144,400.77
  4. Step 4: Simplify right side
    30,372,439.42x = 718,589,373,341,971.62
  5. Step 5: Solve for x
    x = 718,589,373,341,971.62/30,372,439.42
  6. Step 6: Final answer
    x = 23,659,257.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.