Home / 12,831,362.52-19,246,877.64-3,116,055.16

Finding the Fourth Proportional to 12,831,362.52, 19,246,877.64 and 3,116,055.16

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Solution

The fourth proportional to 12,831,362.52, 19,246,877.64 and 3,116,055.16 is: 4,674,042.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,362.52 : 19,246,877.64 = 3,116,055.16 : x
  2. Step 2: Convert to fraction form
    12,831,362.52/19,246,877.64 = 3,116,055.16/x
  3. Step 3: Cross multiply
    12,831,362.52x = 19,246,877.64 × 3,116,055.16
  4. Step 4: Simplify right side
    12,831,362.52x = 59,974,332,384,010.62
  5. Step 5: Solve for x
    x = 59,974,332,384,010.62/12,831,362.52
  6. Step 6: Final answer
    x = 4,674,042.39

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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.