Home / 19,570,620.20-29,355,930.30-8,219,215.40

Finding the Fourth Proportional to 19,570,620.20, 29,355,930.30 and 8,219,215.40

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Solution

The fourth proportional to 19,570,620.20, 29,355,930.30 and 8,219,215.40 is: 12,328,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570,620.20 : 29,355,930.30 = 8,219,215.40 : x
  2. Step 2: Convert to fraction form
    19,570,620.20/29,355,930.30 = 8,219,215.40/x
  3. Step 3: Cross multiply
    19,570,620.20x = 29,355,930.30 × 8,219,215.40
  4. Step 4: Simplify right side
    19,570,620.20x = 241,282,714,403,086.62
  5. Step 5: Solve for x
    x = 241,282,714,403,086.62/19,570,620.20
  6. Step 6: Final answer
    x = 12,328,823.10

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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.