Home / 16,507,321.18-22,780,814.67-9,165,154.69

Finding the Fourth Proportional to 16,507,321.18, 22,780,814.67 and 9,165,154.69

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Solution

The fourth proportional to 16,507,321.18, 22,780,814.67 and 9,165,154.69 is: 12,648,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,507,321.18 : 22,780,814.67 = 9,165,154.69 : x
  2. Step 2: Convert to fraction form
    16,507,321.18/22,780,814.67 = 9,165,154.69/x
  3. Step 3: Cross multiply
    16,507,321.18x = 22,780,814.67 × 9,165,154.69
  4. Step 4: Simplify right side
    16,507,321.18x = 208,789,690,414,771.31
  5. Step 5: Solve for x
    x = 208,789,690,414,771.31/16,507,321.18
  6. Step 6: Final answer
    x = 12,648,308.48

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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.