Home / 20,228,969.60-30,343,454.40-16,638,790.40

Finding the Fourth Proportional to 20,228,969.60, 30,343,454.40 and 16,638,790.40

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Solution

The fourth proportional to 20,228,969.60, 30,343,454.40 and 16,638,790.40 is: 24,958,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228,969.60 : 30,343,454.40 = 16,638,790.40 : x
  2. Step 2: Convert to fraction form
    20,228,969.60/30,343,454.40 = 16,638,790.40/x
  3. Step 3: Cross multiply
    20,228,969.60x = 30,343,454.40 × 16,638,790.40
  4. Step 4: Simplify right side
    20,228,969.60x = 504,878,377,773,557.75
  5. Step 5: Solve for x
    x = 504,878,377,773,557.75/20,228,969.60
  6. Step 6: Final answer
    x = 24,958,185.60

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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.