Home / 21,896,951.40-30,216,571.83-12,106,807.56

Finding the Fourth Proportional to 21,896,951.40, 30,216,571.83 and 12,106,807.56

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Solution

The fourth proportional to 21,896,951.40, 30,216,571.83 and 12,106,807.56 is: 16,706,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,896,951.40 : 30,216,571.83 = 12,106,807.56 : x
  2. Step 2: Convert to fraction form
    21,896,951.40/30,216,571.83 = 12,106,807.56/x
  3. Step 3: Cross multiply
    21,896,951.40x = 30,216,571.83 × 12,106,807.56
  4. Step 4: Simplify right side
    21,896,951.40x = 365,826,220,268,727
  5. Step 5: Solve for x
    x = 365,826,220,268,727/21,896,951.40
  6. Step 6: Final answer
    x = 16,706,719.29

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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.