Home / 14,882,944.32-20,540,709-9,085,100.40

Finding the Fourth Proportional to 14,882,944.32, 20,540,709 and 9,085,100.40

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Solution

The fourth proportional to 14,882,944.32, 20,540,709 and 9,085,100.40 is: 12,538,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,882,944.32 : 20,540,709 = 9,085,100.40 : x
  2. Step 2: Convert to fraction form
    14,882,944.32/20,540,709 = 9,085,100.40/x
  3. Step 3: Cross multiply
    14,882,944.32x = 20,540,709 × 9,085,100.40
  4. Step 4: Simplify right side
    14,882,944.32x = 186,614,403,552,183.59
  5. Step 5: Solve for x
    x = 186,614,403,552,183.59/14,882,944.32
  6. Step 6: Final answer
    x = 12,538,809.49

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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.