Home / 13,310,787.92-19,968,389.19-4,672,648.22

Finding the Fourth Proportional to 13,310,787.92, 19,968,389.19 and 4,672,648.22

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Solution

The fourth proportional to 13,310,787.92, 19,968,389.19 and 4,672,648.22 is: 7,009,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,787.92 : 19,968,389.19 = 4,672,648.22 : x
  2. Step 2: Convert to fraction form
    13,310,787.92/19,968,389.19 = 4,672,648.22/x
  3. Step 3: Cross multiply
    13,310,787.92x = 19,968,389.19 × 4,672,648.22
  4. Step 4: Simplify right side
    13,310,787.92x = 93,305,258,105,078.80
  5. Step 5: Solve for x
    x = 93,305,258,105,078.80/13,310,787.92
  6. Step 6: Final answer
    x = 7,009,747.18

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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.