Home / 11,969,628.30-16,518,192.66-6,813,321.84

Finding the Fourth Proportional to 11,969,628.30, 16,518,192.66 and 6,813,321.84

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Solution

The fourth proportional to 11,969,628.30, 16,518,192.66 and 6,813,321.84 is: 9,402,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969,628.30 : 16,518,192.66 = 6,813,321.84 : x
  2. Step 2: Convert to fraction form
    11,969,628.30/16,518,192.66 = 6,813,321.84/x
  3. Step 3: Cross multiply
    11,969,628.30x = 16,518,192.66 × 6,813,321.84
  4. Step 4: Simplify right side
    11,969,628.30x = 112,543,762,807,705.69
  5. Step 5: Solve for x
    x = 112,543,762,807,705.69/11,969,628.30
  6. Step 6: Final answer
    x = 9,402,444.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.