Home / 11,285,999.70-16,928,999.55-8,120,973.30

Finding the Fourth Proportional to 11,285,999.70, 16,928,999.55 and 8,120,973.30

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Solution

The fourth proportional to 11,285,999.70, 16,928,999.55 and 8,120,973.30 is: 12,181,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285,999.70 : 16,928,999.55 = 8,120,973.30 : x
  2. Step 2: Convert to fraction form
    11,285,999.70/16,928,999.55 = 8,120,973.30/x
  3. Step 3: Cross multiply
    11,285,999.70x = 16,928,999.55 × 8,120,973.30
  4. Step 4: Simplify right side
    11,285,999.70x = 137,479,953,341,262.02
  5. Step 5: Solve for x
    x = 137,479,953,341,262.02/11,285,999.70
  6. Step 6: Final answer
    x = 12,181,459.95

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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.