Home / 14,002,205.58-20,975,292.90-11,128,421.97

Finding the Fourth Proportional to 14,002,205.58, 20,975,292.90 and 11,128,421.97

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Solution

The fourth proportional to 14,002,205.58, 20,975,292.90 and 11,128,421.97 is: 16,670,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002,205.58 : 20,975,292.90 = 11,128,421.97 : x
  2. Step 2: Convert to fraction form
    14,002,205.58/20,975,292.90 = 11,128,421.97/x
  3. Step 3: Cross multiply
    14,002,205.58x = 20,975,292.90 × 11,128,421.97
  4. Step 4: Simplify right side
    14,002,205.58x = 233,421,910,335,545
  5. Step 5: Solve for x
    x = 233,421,910,335,545/14,002,205.58
  6. Step 6: Final answer
    x = 16,670,367.32

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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.