Home / 16,131,459.42-22,261,133.70-8,789,352.89

Finding the Fourth Proportional to 16,131,459.42, 22,261,133.70 and 8,789,352.89

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Solution

The fourth proportional to 16,131,459.42, 22,261,133.70 and 8,789,352.89 is: 12,129,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,131,459.42 : 22,261,133.70 = 8,789,352.89 : x
  2. Step 2: Convert to fraction form
    16,131,459.42/22,261,133.70 = 8,789,352.89/x
  3. Step 3: Cross multiply
    16,131,459.42x = 22,261,133.70 × 8,789,352.89
  4. Step 4: Simplify right side
    16,131,459.42x = 195,660,959,709,465.72
  5. Step 5: Solve for x
    x = 195,660,959,709,465.72/16,131,459.42
  6. Step 6: Final answer
    x = 12,129,154.26

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1.5x scale

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.