Home / 10,791,919.40-16,187,879.10-9,970,773.80

Finding the Fourth Proportional to 10,791,919.40, 16,187,879.10 and 9,970,773.80

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Solution

The fourth proportional to 10,791,919.40, 16,187,879.10 and 9,970,773.80 is: 14,956,160.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791,919.40 : 16,187,879.10 = 9,970,773.80 : x
  2. Step 2: Convert to fraction form
    10,791,919.40/16,187,879.10 = 9,970,773.80/x
  3. Step 3: Cross multiply
    10,791,919.40x = 16,187,879.10 × 9,970,773.80
  4. Step 4: Simplify right side
    10,791,919.40x = 161,405,680,807,847.59
  5. Step 5: Solve for x
    x = 161,405,680,807,847.59/10,791,919.40
  6. Step 6: Final answer
    x = 14,956,160.70

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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.