Home / 11,711,970.78-16,162,516.08-6,555,330.96

Finding the Fourth Proportional to 11,711,970.78, 16,162,516.08 and 6,555,330.96

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Solution

The fourth proportional to 11,711,970.78, 16,162,516.08 and 6,555,330.96 is: 9,046,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711,970.78 : 16,162,516.08 = 6,555,330.96 : x
  2. Step 2: Convert to fraction form
    11,711,970.78/16,162,516.08 = 6,555,330.96/x
  3. Step 3: Cross multiply
    11,711,970.78x = 16,162,516.08 × 6,555,330.96
  4. Step 4: Simplify right side
    11,711,970.78x = 105,950,642,050,721.84
  5. Step 5: Solve for x
    x = 105,950,642,050,721.84/11,711,970.78
  6. Step 6: Final answer
    x = 9,046,354.71

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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.