Home / 9,151,318.76-12,629,939.78-5,283,833.40

Finding the Fourth Proportional to 9,151,318.76, 12,629,939.78 and 5,283,833.40

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Solution

The fourth proportional to 9,151,318.76, 12,629,939.78 and 5,283,833.40 is: 7,292,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151,318.76 : 12,629,939.78 = 5,283,833.40 : x
  2. Step 2: Convert to fraction form
    9,151,318.76/12,629,939.78 = 5,283,833.40/x
  3. Step 3: Cross multiply
    9,151,318.76x = 12,629,939.78 × 5,283,833.40
  4. Step 4: Simplify right side
    9,151,318.76x = 66,734,497,649,552.66
  5. Step 5: Solve for x
    x = 66,734,497,649,552.66/9,151,318.76
  6. Step 6: Final answer
    x = 7,292,336.70

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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.