Home / 7,890,313.72-11,836,145.24-2,772,298.76

Finding the Fourth Proportional to 7,890,313.72, 11,836,145.24 and 2,772,298.76

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Solution

The fourth proportional to 7,890,313.72, 11,836,145.24 and 2,772,298.76 is: 4,158,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,313.72 : 11,836,145.24 = 2,772,298.76 : x
  2. Step 2: Convert to fraction form
    7,890,313.72/11,836,145.24 = 2,772,298.76/x
  3. Step 3: Cross multiply
    7,890,313.72x = 11,836,145.24 × 2,772,298.76
  4. Step 4: Simplify right side
    7,890,313.72x = 32,813,330,772,031.90
  5. Step 5: Solve for x
    x = 32,813,330,772,031.90/7,890,313.72
  6. Step 6: Final answer
    x = 4,158,685.18

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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.