Home / 15,876,000.40-23,789,506.20-11,813,429.20

Finding the Fourth Proportional to 15,876,000.40, 23,789,506.20 and 11,813,429.20

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Solution

The fourth proportional to 15,876,000.40, 23,789,506.20 and 11,813,429.20 is: 17,701,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,876,000.40 : 23,789,506.20 = 11,813,429.20 : x
  2. Step 2: Convert to fraction form
    15,876,000.40/23,789,506.20 = 11,813,429.20/x
  3. Step 3: Cross multiply
    15,876,000.40x = 23,789,506.20 × 11,813,429.20
  4. Step 4: Simplify right side
    15,876,000.40x = 281,035,647,196,661
  5. Step 5: Solve for x
    x = 281,035,647,196,661/15,876,000.40
  6. Step 6: Final answer
    x = 17,701,917.37

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1.5x scale

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.