Home / 12,116,887.94-16,721,036.24-6,684,378.50

Finding the Fourth Proportional to 12,116,887.94, 16,721,036.24 and 6,684,378.50

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Solution

The fourth proportional to 12,116,887.94, 16,721,036.24 and 6,684,378.50 is: 9,224,293.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116,887.94 : 16,721,036.24 = 6,684,378.50 : x
  2. Step 2: Convert to fraction form
    12,116,887.94/16,721,036.24 = 6,684,378.50/x
  3. Step 3: Cross multiply
    12,116,887.94x = 16,721,036.24 × 6,684,378.50
  4. Step 4: Simplify right side
    12,116,887.94x = 111,769,735,140,376.84
  5. Step 5: Solve for x
    x = 111,769,735,140,376.84/12,116,887.94
  6. Step 6: Final answer
    x = 9,224,293.87

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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.