Home / 19,720,619.20-29,580,928.80-16,361,387.20

Finding the Fourth Proportional to 19,720,619.20, 29,580,928.80 and 16,361,387.20

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Solution

The fourth proportional to 19,720,619.20, 29,580,928.80 and 16,361,387.20 is: 24,542,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,619.20 : 29,580,928.80 = 16,361,387.20 : x
  2. Step 2: Convert to fraction form
    19,720,619.20/29,580,928.80 = 16,361,387.20/x
  3. Step 3: Cross multiply
    19,720,619.20x = 29,580,928.80 × 16,361,387.20
  4. Step 4: Simplify right side
    19,720,619.20x = 483,985,029,832,431.38
  5. Step 5: Solve for x
    x = 483,985,029,832,431.38/19,720,619.20
  6. Step 6: Final answer
    x = 24,542,080.80

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1.5x scale

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.