Home / 19,570,720.80-29,345,583.60-8,198,320.80

Finding the Fourth Proportional to 19,570,720.80, 29,345,583.60 and 8,198,320.80

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Solution

The fourth proportional to 19,570,720.80, 29,345,583.60 and 8,198,320.80 is: 12,293,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570,720.80 : 29,345,583.60 = 8,198,320.80 : x
  2. Step 2: Convert to fraction form
    19,570,720.80/29,345,583.60 = 8,198,320.80/x
  3. Step 3: Cross multiply
    19,570,720.80x = 29,345,583.60 × 8,198,320.80
  4. Step 4: Simplify right side
    19,570,720.80x = 240,584,508,416,018.88
  5. Step 5: Solve for x
    x = 240,584,508,416,018.88/19,570,720.80
  6. Step 6: Final answer
    x = 12,293,083.68

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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.