Home / 7,150,274.28-9,867,260.70-3,887,169.84

Finding the Fourth Proportional to 7,150,274.28, 9,867,260.70 and 3,887,169.84

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Solution

The fourth proportional to 7,150,274.28, 9,867,260.70 and 3,887,169.84 is: 5,364,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150,274.28 : 9,867,260.70 = 3,887,169.84 : x
  2. Step 2: Convert to fraction form
    7,150,274.28/9,867,260.70 = 3,887,169.84/x
  3. Step 3: Cross multiply
    7,150,274.28x = 9,867,260.70 × 3,887,169.84
  4. Step 4: Simplify right side
    7,150,274.28x = 38,355,718,196,457.28
  5. Step 5: Solve for x
    x = 38,355,718,196,457.28/7,150,274.28
  6. Step 6: Final answer
    x = 5,364,230.34

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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.