Home / 11,153,371.70-16,730,057.55-8,319,019.70

Finding the Fourth Proportional to 11,153,371.70, 16,730,057.55 and 8,319,019.70

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Solution

The fourth proportional to 11,153,371.70, 16,730,057.55 and 8,319,019.70 is: 12,478,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153,371.70 : 16,730,057.55 = 8,319,019.70 : x
  2. Step 2: Convert to fraction form
    11,153,371.70/16,730,057.55 = 8,319,019.70/x
  3. Step 3: Cross multiply
    11,153,371.70x = 16,730,057.55 × 8,319,019.70
  4. Step 4: Simplify right side
    11,153,371.70x = 139,177,678,340,583.75
  5. Step 5: Solve for x
    x = 139,177,678,340,583.75/11,153,371.70
  6. Step 6: Final answer
    x = 12,478,529.55

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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.