Home / 28,500,776.40-39,330,114.39-16,891,447.62

Finding the Fourth Proportional to 28,500,776.40, 39,330,114.39 and 16,891,447.62

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Solution

The fourth proportional to 28,500,776.40, 39,330,114.39 and 16,891,447.62 is: 23,309,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500,776.40 : 39,330,114.39 = 16,891,447.62 : x
  2. Step 2: Convert to fraction form
    28,500,776.40/39,330,114.39 = 16,891,447.62/x
  3. Step 3: Cross multiply
    28,500,776.40x = 39,330,114.39 × 16,891,447.62
  4. Step 4: Simplify right side
    28,500,776.40x = 664,342,567,107,293.25
  5. Step 5: Solve for x
    x = 664,342,567,107,293.25/28,500,776.40
  6. Step 6: Final answer
    x = 23,309,630.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.