Home / 10,267,509.40-15,382,601.70-8,363,944.60

Finding the Fourth Proportional to 10,267,509.40, 15,382,601.70 and 8,363,944.60

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Solution

The fourth proportional to 10,267,509.40, 15,382,601.70 and 8,363,944.60 is: 12,530,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267,509.40 : 15,382,601.70 = 8,363,944.60 : x
  2. Step 2: Convert to fraction form
    10,267,509.40/15,382,601.70 = 8,363,944.60/x
  3. Step 3: Cross multiply
    10,267,509.40x = 15,382,601.70 × 8,363,944.60
  4. Step 4: Simplify right side
    10,267,509.40x = 128,659,228,422,665.81
  5. Step 5: Solve for x
    x = 128,659,228,422,665.81/10,267,509.40
  6. Step 6: Final answer
    x = 12,530,714.45

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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.