Home / 16,507,310.40-22,780,799.82-9,165,143.88

Finding the Fourth Proportional to 16,507,310.40, 22,780,799.82 and 9,165,143.88

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Solution

The fourth proportional to 16,507,310.40, 22,780,799.82 and 9,165,143.88 is: 12,648,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,507,310.40 : 22,780,799.82 = 9,165,143.88 : x
  2. Step 2: Convert to fraction form
    16,507,310.40/22,780,799.82 = 9,165,143.88/x
  3. Step 3: Cross multiply
    16,507,310.40x = 22,780,799.82 × 9,165,143.88
  4. Step 4: Simplify right side
    16,507,310.40x = 208,789,308,051,778.12
  5. Step 5: Solve for x
    x = 208,789,308,051,778.12/16,507,310.40
  6. Step 6: Final answer
    x = 12,648,293.57

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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.