Home / 20,228,967.60-30,343,451.40-16,638,788.40

Finding the Fourth Proportional to 20,228,967.60, 30,343,451.40 and 16,638,788.40

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Solution

The fourth proportional to 20,228,967.60, 30,343,451.40 and 16,638,788.40 is: 24,958,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228,967.60 : 30,343,451.40 = 16,638,788.40 : x
  2. Step 2: Convert to fraction form
    20,228,967.60/30,343,451.40 = 16,638,788.40/x
  3. Step 3: Cross multiply
    20,228,967.60x = 30,343,451.40 × 16,638,788.40
  4. Step 4: Simplify right side
    20,228,967.60x = 504,878,267,170,283.75
  5. Step 5: Solve for x
    x = 504,878,267,170,283.75/20,228,967.60
  6. Step 6: Final answer
    x = 24,958,182.60

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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.