Home / 12,831,382.11-19,246,907.08-3,116,074.75

Finding the Fourth Proportional to 12,831,382.11, 19,246,907.08 and 3,116,074.75

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Solution

The fourth proportional to 12,831,382.11, 19,246,907.08 and 3,116,074.75 is: 4,674,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,382.11 : 19,246,907.08 = 3,116,074.75 : x
  2. Step 2: Convert to fraction form
    12,831,382.11/19,246,907.08 = 3,116,074.75/x
  3. Step 3: Cross multiply
    12,831,382.11x = 19,246,907.08 × 3,116,074.75
  4. Step 4: Simplify right side
    12,831,382.11x = 59,974,801,123,362.06
  5. Step 5: Solve for x
    x = 59,974,801,123,362.06/12,831,382.11
  6. Step 6: Final answer
    x = 4,674,071.79

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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.