Home / 16,290,555.72-22,479,655.86-9,415,483.08

Finding the Fourth Proportional to 16,290,555.72, 22,479,655.86 and 9,415,483.08

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Solution

The fourth proportional to 16,290,555.72, 22,479,655.86 and 9,415,483.08 is: 12,992,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290,555.72 : 22,479,655.86 = 9,415,483.08 : x
  2. Step 2: Convert to fraction form
    16,290,555.72/22,479,655.86 = 9,415,483.08/x
  3. Step 3: Cross multiply
    16,290,555.72x = 22,479,655.86 × 9,415,483.08
  4. Step 4: Simplify right side
    16,290,555.72x = 211,656,819,394,052.84
  5. Step 5: Solve for x
    x = 211,656,819,394,052.84/16,290,555.72
  6. Step 6: Final answer
    x = 12,992,608.91

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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.