Home / 19,561,939.80-29,342,909.70-16,396,913.40

Finding the Fourth Proportional to 19,561,939.80, 29,342,909.70 and 16,396,913.40

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Solution

The fourth proportional to 19,561,939.80, 29,342,909.70 and 16,396,913.40 is: 24,595,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561,939.80 : 29,342,909.70 = 16,396,913.40 : x
  2. Step 2: Convert to fraction form
    19,561,939.80/29,342,909.70 = 16,396,913.40/x
  3. Step 3: Cross multiply
    19,561,939.80x = 29,342,909.70 × 16,396,913.40
  4. Step 4: Simplify right side
    19,561,939.80x = 481,133,149,254,920
  5. Step 5: Solve for x
    x = 481,133,149,254,920/19,561,939.80
  6. Step 6: Final answer
    x = 24,595,370.10

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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.