Home / 9,121,170.20-13,672,731.30-4,320,421.40

Finding the Fourth Proportional to 9,121,170.20, 13,672,731.30 and 4,320,421.40

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Solution

The fourth proportional to 9,121,170.20, 13,672,731.30 and 4,320,421.40 is: 6,476,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,121,170.20 : 13,672,731.30 = 4,320,421.40 : x
  2. Step 2: Convert to fraction form
    9,121,170.20/13,672,731.30 = 4,320,421.40/x
  3. Step 3: Cross multiply
    9,121,170.20x = 13,672,731.30 × 4,320,421.40
  4. Step 4: Simplify right side
    9,121,170.20x = 59,071,960,904,969.83
  5. Step 5: Solve for x
    x = 59,071,960,904,969.83/9,121,170.20
  6. Step 6: Final answer
    x = 6,476,357.71

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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.