Home / 11,285,200.26-15,578,341.74-7,619,080.86

Finding the Fourth Proportional to 11,285,200.26, 15,578,341.74 and 7,619,080.86

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Solution

The fourth proportional to 11,285,200.26, 15,578,341.74 and 7,619,080.86 is: 10,517,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285,200.26 : 15,578,341.74 = 7,619,080.86 : x
  2. Step 2: Convert to fraction form
    11,285,200.26/15,578,341.74 = 7,619,080.86/x
  3. Step 3: Cross multiply
    11,285,200.26x = 15,578,341.74 × 7,619,080.86
  4. Step 4: Simplify right side
    11,285,200.26x = 118,692,645,381,773.11
  5. Step 5: Solve for x
    x = 118,692,645,381,773.11/11,285,200.26
  6. Step 6: Final answer
    x = 10,517,548.88

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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.