Home / 10,285,334.16-15,428,493.30-8,484,879.12

Finding the Fourth Proportional to 10,285,334.16, 15,428,493.30 and 8,484,879.12

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Solution

The fourth proportional to 10,285,334.16, 15,428,493.30 and 8,484,879.12 is: 12,727,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285,334.16 : 15,428,493.30 = 8,484,879.12 : x
  2. Step 2: Convert to fraction form
    10,285,334.16/15,428,493.30 = 8,484,879.12/x
  3. Step 3: Cross multiply
    10,285,334.16x = 15,428,493.30 × 8,484,879.12
  4. Step 4: Simplify right side
    10,285,334.16x = 130,908,900,654,229.89
  5. Step 5: Solve for x
    x = 130,908,900,654,229.89/10,285,334.16
  6. Step 6: Final answer
    x = 12,727,724.60

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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.