Home / 7,381,976.20-11,072,964.30-6,909,584.20

Finding the Fourth Proportional to 7,381,976.20, 11,072,964.30 and 6,909,584.20

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Solution

The fourth proportional to 7,381,976.20, 11,072,964.30 and 6,909,584.20 is: 10,364,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,976.20 : 11,072,964.30 = 6,909,584.20 : x
  2. Step 2: Convert to fraction form
    7,381,976.20/11,072,964.30 = 6,909,584.20/x
  3. Step 3: Cross multiply
    7,381,976.20x = 11,072,964.30 × 6,909,584.20
  4. Step 4: Simplify right side
    7,381,976.20x = 76,509,579,174,444.06
  5. Step 5: Solve for x
    x = 76,509,579,174,444.06/7,381,976.20
  6. Step 6: Final answer
    x = 10,364,376.30

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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.