Home / 15,347,301.12-21,179,279.52-8,471,787.84

Finding the Fourth Proportional to 15,347,301.12, 21,179,279.52 and 8,471,787.84

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Solution

The fourth proportional to 15,347,301.12, 21,179,279.52 and 8,471,787.84 is: 11,691,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347,301.12 : 21,179,279.52 = 8,471,787.84 : x
  2. Step 2: Convert to fraction form
    15,347,301.12/21,179,279.52 = 8,471,787.84/x
  3. Step 3: Cross multiply
    15,347,301.12x = 21,179,279.52 × 8,471,787.84
  4. Step 4: Simplify right side
    15,347,301.12x = 179,426,362,697,497.03
  5. Step 5: Solve for x
    x = 179,426,362,697,497.03/15,347,301.12
  6. Step 6: Final answer
    x = 11,691,069.41

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