Home / 13,330,036.22-19,994,906.70-4,231,889.28

Finding the Fourth Proportional to 13,330,036.22, 19,994,906.70 and 4,231,889.28

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Solution

The fourth proportional to 13,330,036.22, 19,994,906.70 and 4,231,889.28 is: 6,347,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330,036.22 : 19,994,906.70 = 4,231,889.28 : x
  2. Step 2: Convert to fraction form
    13,330,036.22/19,994,906.70 = 4,231,889.28/x
  3. Step 3: Cross multiply
    13,330,036.22x = 19,994,906.70 × 4,231,889.28
  4. Step 4: Simplify right side
    13,330,036.22x = 84,616,231,318,330.17
  5. Step 5: Solve for x
    x = 84,616,231,318,330.17/13,330,036.22
  6. Step 6: Final answer
    x = 6,347,787.05

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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.