Home / 10,790,747.10-16,186,120.65-9,342,078.30

Finding the Fourth Proportional to 10,790,747.10, 16,186,120.65 and 9,342,078.30

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Solution

The fourth proportional to 10,790,747.10, 16,186,120.65 and 9,342,078.30 is: 14,013,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790,747.10 : 16,186,120.65 = 9,342,078.30 : x
  2. Step 2: Convert to fraction form
    10,790,747.10/16,186,120.65 = 9,342,078.30/x
  3. Step 3: Cross multiply
    10,790,747.10x = 16,186,120.65 × 9,342,078.30
  4. Step 4: Simplify right side
    10,790,747.10x = 151,212,006,485,546.91
  5. Step 5: Solve for x
    x = 151,212,006,485,546.91/10,790,747.10
  6. Step 6: Final answer
    x = 14,013,117.45

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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.