Home / 19,813,103.75-29,726,734.92-12,047,816.87

Finding the Fourth Proportional to 19,813,103.75, 29,726,734.92 and 12,047,816.87

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Solution

The fourth proportional to 19,813,103.75, 29,726,734.92 and 12,047,816.87 is: 18,076,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,813,103.75 : 29,726,734.92 = 12,047,816.87 : x
  2. Step 2: Convert to fraction form
    19,813,103.75/29,726,734.92 = 12,047,816.87/x
  3. Step 3: Cross multiply
    19,813,103.75x = 29,726,734.92 × 12,047,816.87
  4. Step 4: Simplify right side
    19,813,103.75x = 358,142,258,310,560.44
  5. Step 5: Solve for x
    x = 358,142,258,310,560.44/19,813,103.75
  6. Step 6: Final answer
    x = 18,076,030.03

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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.