Home / 19,676,351.44-29,453,992.56-12,838,200.43

Finding the Fourth Proportional to 19,676,351.44, 29,453,992.56 and 12,838,200.43

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Solution

The fourth proportional to 19,676,351.44, 29,453,992.56 and 12,838,200.43 is: 19,217,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676,351.44 : 29,453,992.56 = 12,838,200.43 : x
  2. Step 2: Convert to fraction form
    19,676,351.44/29,453,992.56 = 12,838,200.43/x
  3. Step 3: Cross multiply
    19,676,351.44x = 29,453,992.56 × 12,838,200.43
  4. Step 4: Simplify right side
    19,676,351.44x = 378,136,259,949,008.75
  5. Step 5: Solve for x
    x = 378,136,259,949,008.75/19,676,351.44
  6. Step 6: Final answer
    x = 19,217,803.72

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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.