Home / 18,441,889.34-25,426,150.64-15,121,951.64

Finding the Fourth Proportional to 18,441,889.34, 25,426,150.64 and 15,121,951.64

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Solution

The fourth proportional to 18,441,889.34, 25,426,150.64 and 15,121,951.64 is: 20,848,895.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,441,889.34 : 25,426,150.64 = 15,121,951.64 : x
  2. Step 2: Convert to fraction form
    18,441,889.34/25,426,150.64 = 15,121,951.64/x
  3. Step 3: Cross multiply
    18,441,889.34x = 25,426,150.64 × 15,121,951.64
  4. Step 4: Simplify right side
    18,441,889.34x = 384,493,020,369,435.06
  5. Step 5: Solve for x
    x = 384,493,020,369,435.06/18,441,889.34
  6. Step 6: Final answer
    x = 20,848,895.32

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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.