Home / 11,285,495.92-15,578,750.28-7,619,378.72

Finding the Fourth Proportional to 11,285,495.92, 15,578,750.28 and 7,619,378.72

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Solution

The fourth proportional to 11,285,495.92, 15,578,750.28 and 7,619,378.72 is: 10,517,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285,495.92 : 15,578,750.28 = 7,619,378.72 : x
  2. Step 2: Convert to fraction form
    11,285,495.92/15,578,750.28 = 7,619,378.72/x
  3. Step 3: Cross multiply
    11,285,495.92x = 15,578,750.28 × 7,619,378.72
  4. Step 4: Simplify right side
    11,285,495.92x = 118,700,398,367,626.03
  5. Step 5: Solve for x
    x = 118,700,398,367,626.03/11,285,495.92
  6. Step 6: Final answer
    x = 10,517,960.33

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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.