Home / 10,276,653.66-15,372,377.72-7,829,288.88

Finding the Fourth Proportional to 10,276,653.66, 15,372,377.72 and 7,829,288.88

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Solution

The fourth proportional to 10,276,653.66, 15,372,377.72 and 7,829,288.88 is: 11,711,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276,653.66 : 15,372,377.72 = 7,829,288.88 : x
  2. Step 2: Convert to fraction form
    10,276,653.66/15,372,377.72 = 7,829,288.88/x
  3. Step 3: Cross multiply
    10,276,653.66x = 15,372,377.72 × 7,829,288.88
  4. Step 4: Simplify right side
    10,276,653.66x = 120,354,785,942,355.75
  5. Step 5: Solve for x
    x = 120,354,785,942,355.75/10,276,653.66
  6. Step 6: Final answer
    x = 11,711,476.32

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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.