Home / 12,831,361.91-19,246,876.70-3,116,054.54

Finding the Fourth Proportional to 12,831,361.91, 19,246,876.70 and 3,116,054.54

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Solution

The fourth proportional to 12,831,361.91, 19,246,876.70 and 3,116,054.54 is: 4,674,041.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,361.91 : 19,246,876.70 = 3,116,054.54 : x
  2. Step 2: Convert to fraction form
    12,831,361.91/19,246,876.70 = 3,116,054.54/x
  3. Step 3: Cross multiply
    12,831,361.91x = 19,246,876.70 × 3,116,054.54
  4. Step 4: Simplify right side
    12,831,361.91x = 59,974,317,554,392.14
  5. Step 5: Solve for x
    x = 59,974,317,554,392.14/12,831,361.91
  6. Step 6: Final answer
    x = 4,674,041.46

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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.