Home / 10,412,018.83-15,624,005.73-8,131,141.86

Finding the Fourth Proportional to 10,412,018.83, 15,624,005.73 and 8,131,141.86

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Solution

The fourth proportional to 10,412,018.83, 15,624,005.73 and 8,131,141.86 is: 12,201,380.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412,018.83 : 15,624,005.73 = 8,131,141.86 : x
  2. Step 2: Convert to fraction form
    10,412,018.83/15,624,005.73 = 8,131,141.86/x
  3. Step 3: Cross multiply
    10,412,018.83x = 15,624,005.73 × 8,131,141.86
  4. Step 4: Simplify right side
    10,412,018.83x = 127,041,006,933,962.84
  5. Step 5: Solve for x
    x = 127,041,006,933,962.84/10,412,018.83
  6. Step 6: Final answer
    x = 12,201,380.83

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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.