Home / 18,171,695.39-25,076,939.72-9,911,757.25

Finding the Fourth Proportional to 18,171,695.39, 25,076,939.72 and 9,911,757.25

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Solution

The fourth proportional to 18,171,695.39, 25,076,939.72 and 9,911,757.25 is: 13,678,225.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171,695.39 : 25,076,939.72 = 9,911,757.25 : x
  2. Step 2: Convert to fraction form
    18,171,695.39/25,076,939.72 = 9,911,757.25/x
  3. Step 3: Cross multiply
    18,171,695.39x = 25,076,939.72 × 9,911,757.25
  4. Step 4: Simplify right side
    18,171,695.39x = 248,556,538,939,748.56
  5. Step 5: Solve for x
    x = 248,556,538,939,748.56/18,171,695.39
  6. Step 6: Final answer
    x = 13,678,225.04

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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.