Home / 12,183,825.80-18,275,738.70-9,473,476.70

Finding the Fourth Proportional to 12,183,825.80, 18,275,738.70 and 9,473,476.70

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Solution

The fourth proportional to 12,183,825.80, 18,275,738.70 and 9,473,476.70 is: 14,210,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183,825.80 : 18,275,738.70 = 9,473,476.70 : x
  2. Step 2: Convert to fraction form
    12,183,825.80/18,275,738.70 = 9,473,476.70/x
  3. Step 3: Cross multiply
    12,183,825.80x = 18,275,738.70 × 9,473,476.70
  4. Step 4: Simplify right side
    12,183,825.80x = 173,134,784,749,738.28
  5. Step 5: Solve for x
    x = 173,134,784,749,738.28/12,183,825.80
  6. Step 6: Final answer
    x = 14,210,215.05

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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.