Home / 15,862,800-21,890,795.22-8,619,456

Finding the Fourth Proportional to 15,862,800, 21,890,795.22 and 8,619,456

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Solution

The fourth proportional to 15,862,800, 21,890,795.22 and 8,619,456 is: 11,894,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862,800 : 21,890,795.22 = 8,619,456 : x
  2. Step 2: Convert to fraction form
    15,862,800/21,890,795.22 = 8,619,456/x
  3. Step 3: Cross multiply
    15,862,800x = 21,890,795.22 × 8,619,456
  4. Step 4: Simplify right side
    15,862,800x = 188,686,746,203,800.31
  5. Step 5: Solve for x
    x = 188,686,746,203,800.31/15,862,800
  6. Step 6: Final answer
    x = 11,894,920.58

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1.5x scale

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.