Home / 22,178,787.70-33,232,411.95-12,565,578.10

Finding the Fourth Proportional to 22,178,787.70, 33,232,411.95 and 12,565,578.10

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Solution

The fourth proportional to 22,178,787.70, 33,232,411.95 and 12,565,578.10 is: 18,828,101.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,178,787.70 : 33,232,411.95 = 12,565,578.10 : x
  2. Step 2: Convert to fraction form
    22,178,787.70/33,232,411.95 = 12,565,578.10/x
  3. Step 3: Cross multiply
    22,178,787.70x = 33,232,411.95 × 12,565,578.10
  4. Step 4: Simplify right side
    22,178,787.70x = 417,584,467,809,098.25
  5. Step 5: Solve for x
    x = 417,584,467,809,098.25/22,178,787.70
  6. Step 6: Final answer
    x = 18,828,101.58

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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.