Home / 10,952,135.70-16,428,203.55-8,117,783.70

Finding the Fourth Proportional to 10,952,135.70, 16,428,203.55 and 8,117,783.70

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Solution

The fourth proportional to 10,952,135.70, 16,428,203.55 and 8,117,783.70 is: 12,176,675.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952,135.70 : 16,428,203.55 = 8,117,783.70 : x
  2. Step 2: Convert to fraction form
    10,952,135.70/16,428,203.55 = 8,117,783.70/x
  3. Step 3: Cross multiply
    10,952,135.70x = 16,428,203.55 × 8,117,783.70
  4. Step 4: Simplify right side
    10,952,135.70x = 133,360,602,998,472.14
  5. Step 5: Solve for x
    x = 133,360,602,998,472.14/10,952,135.70
  6. Step 6: Final answer
    x = 12,176,675.55

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Similar ratio
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1.5x scale

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.