Home / 11,612,191.86-16,025,371.56-6,455,639.52

Finding the Fourth Proportional to 11,612,191.86, 16,025,371.56 and 6,455,639.52

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Solution

The fourth proportional to 11,612,191.86, 16,025,371.56 and 6,455,639.52 is: 8,909,086.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,612,191.86 : 16,025,371.56 = 6,455,639.52 : x
  2. Step 2: Convert to fraction form
    11,612,191.86/16,025,371.56 = 6,455,639.52/x
  3. Step 3: Cross multiply
    11,612,191.86x = 16,025,371.56 × 6,455,639.52
  4. Step 4: Simplify right side
    11,612,191.86x = 103,454,021,965,420.05
  5. Step 5: Solve for x
    x = 103,454,021,965,420.05/11,612,191.86
  6. Step 6: Final answer
    x = 8,909,086.52

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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.