Home / 22,007,787.40-30,370,155.69-13,192,219.36

Finding the Fourth Proportional to 22,007,787.40, 30,370,155.69 and 13,192,219.36

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Solution

The fourth proportional to 22,007,787.40, 30,370,155.69 and 13,192,219.36 is: 18,204,908.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007,787.40 : 30,370,155.69 = 13,192,219.36 : x
  2. Step 2: Convert to fraction form
    22,007,787.40/30,370,155.69 = 13,192,219.36/x
  3. Step 3: Cross multiply
    22,007,787.40x = 30,370,155.69 × 13,192,219.36
  4. Step 4: Simplify right side
    22,007,787.40x = 400,649,755,859,832.19
  5. Step 5: Solve for x
    x = 400,649,755,859,832.19/22,007,787.40
  6. Step 6: Final answer
    x = 18,204,908.50

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Why These Related Problems?

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