Home / 43,753,687.20-65,630,530.80-13,457,613.60

Finding the Fourth Proportional to 43,753,687.20, 65,630,530.80 and 13,457,613.60

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Solution

The fourth proportional to 43,753,687.20, 65,630,530.80 and 13,457,613.60 is: 20,186,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,753,687.20 : 65,630,530.80 = 13,457,613.60 : x
  2. Step 2: Convert to fraction form
    43,753,687.20/65,630,530.80 = 13,457,613.60/x
  3. Step 3: Cross multiply
    43,753,687.20x = 65,630,530.80 × 13,457,613.60
  4. Step 4: Simplify right side
    43,753,687.20x = 883,230,323,869,298.88
  5. Step 5: Solve for x
    x = 883,230,323,869,298.88/43,753,687.20
  6. Step 6: Final answer
    x = 20,186,420.40

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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.