Home / 12,271,666.56-16,934,951.19-6,764,920.54

Finding the Fourth Proportional to 12,271,666.56, 16,934,951.19 and 6,764,920.54

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Solution

The fourth proportional to 12,271,666.56, 16,934,951.19 and 6,764,920.54 is: 9,335,618.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271,666.56 : 16,934,951.19 = 6,764,920.54 : x
  2. Step 2: Convert to fraction form
    12,271,666.56/16,934,951.19 = 6,764,920.54/x
  3. Step 3: Cross multiply
    12,271,666.56x = 16,934,951.19 × 6,764,920.54
  4. Step 4: Simplify right side
    12,271,666.56x = 114,563,599,149,128.45
  5. Step 5: Solve for x
    x = 114,563,599,149,128.45/12,271,666.56
  6. Step 6: Final answer
    x = 9,335,618.65

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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.