Home / 11,178,049.20-16,767,073.80-9,158,573.40

Finding the Fourth Proportional to 11,178,049.20, 16,767,073.80 and 9,158,573.40

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Solution

The fourth proportional to 11,178,049.20, 16,767,073.80 and 9,158,573.40 is: 13,737,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,049.20 : 16,767,073.80 = 9,158,573.40 : x
  2. Step 2: Convert to fraction form
    11,178,049.20/16,767,073.80 = 9,158,573.40/x
  3. Step 3: Cross multiply
    11,178,049.20x = 16,767,073.80 × 9,158,573.40
  4. Step 4: Simplify right side
    11,178,049.20x = 153,562,476,100,516.94
  5. Step 5: Solve for x
    x = 153,562,476,100,516.94/11,178,049.20
  6. Step 6: Final answer
    x = 13,737,860.10

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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.