Home / 12,543,228.12-18,809,281.14-6,705,997.40

Finding the Fourth Proportional to 12,543,228.12, 18,809,281.14 and 6,705,997.40

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Solution

The fourth proportional to 12,543,228.12, 18,809,281.14 and 6,705,997.40 is: 10,056,022.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543,228.12 : 18,809,281.14 = 6,705,997.40 : x
  2. Step 2: Convert to fraction form
    12,543,228.12/18,809,281.14 = 6,705,997.40/x
  3. Step 3: Cross multiply
    12,543,228.12x = 18,809,281.14 × 6,705,997.40
  4. Step 4: Simplify right side
    12,543,228.12x = 126,134,990,293,132.64
  5. Step 5: Solve for x
    x = 126,134,990,293,132.64/12,543,228.12
  6. Step 6: Final answer
    x = 10,056,022.99

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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.