Home / 19,318,803.20-28,945,027.20-10,207,404.80

Finding the Fourth Proportional to 19,318,803.20, 28,945,027.20 and 10,207,404.80

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Solution

The fourth proportional to 19,318,803.20, 28,945,027.20 and 10,207,404.80 is: 15,293,577.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,803.20 : 28,945,027.20 = 10,207,404.80 : x
  2. Step 2: Convert to fraction form
    19,318,803.20/28,945,027.20 = 10,207,404.80/x
  3. Step 3: Cross multiply
    19,318,803.20x = 28,945,027.20 × 10,207,404.80
  4. Step 4: Simplify right side
    19,318,803.20x = 295,453,609,577,410.56
  5. Step 5: Solve for x
    x = 295,453,609,577,410.56/19,318,803.20
  6. Step 6: Final answer
    x = 15,293,577.27

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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.