Home / 6,128,631.79-8,457,894.17-3,375,318.51

Finding the Fourth Proportional to 6,128,631.79, 8,457,894.17 and 3,375,318.51

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Solution

The fourth proportional to 6,128,631.79, 8,457,894.17 and 3,375,318.51 is: 4,658,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,631.79 : 8,457,894.17 = 3,375,318.51 : x
  2. Step 2: Convert to fraction form
    6,128,631.79/8,457,894.17 = 3,375,318.51/x
  3. Step 3: Cross multiply
    6,128,631.79x = 8,457,894.17 × 3,375,318.51
  4. Step 4: Simplify right side
    6,128,631.79x = 28,548,086,718,039.05
  5. Step 5: Solve for x
    x = 28,548,086,718,039.05/6,128,631.79
  6. Step 6: Final answer
    x = 4,658,150.09

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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.