Home / 19,551,623.20-29,341,431.60-8,200,218.40

Finding the Fourth Proportional to 19,551,623.20, 29,341,431.60 and 8,200,218.40

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Solution

The fourth proportional to 19,551,623.20, 29,341,431.60 and 8,200,218.40 is: 12,306,198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,551,623.20 : 29,341,431.60 = 8,200,218.40 : x
  2. Step 2: Convert to fraction form
    19,551,623.20/29,341,431.60 = 8,200,218.40/x
  3. Step 3: Cross multiply
    19,551,623.20x = 29,341,431.60 × 8,200,218.40
  4. Step 4: Simplify right side
    19,551,623.20x = 240,606,147,288,661.47
  5. Step 5: Solve for x
    x = 240,606,147,288,661.47/19,551,623.20
  6. Step 6: Final answer
    x = 12,306,198.05

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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.