Home / 8,511,420.38-11,732,038.97-5,757,103.35

Finding the Fourth Proportional to 8,511,420.38, 11,732,038.97 and 5,757,103.35

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Solution

The fourth proportional to 8,511,420.38, 11,732,038.97 and 5,757,103.35 is: 7,935,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511,420.38 : 11,732,038.97 = 5,757,103.35 : x
  2. Step 2: Convert to fraction form
    8,511,420.38/11,732,038.97 = 5,757,103.35/x
  3. Step 3: Cross multiply
    8,511,420.38x = 11,732,038.97 × 5,757,103.35
  4. Step 4: Simplify right side
    8,511,420.38x = 67,542,560,827,732.03
  5. Step 5: Solve for x
    x = 67,542,560,827,732.03/8,511,420.38
  6. Step 6: Final answer
    x = 7,935,521.67

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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.