Home / 20,119,226.70-30,178,840.05-16,009,416.30

Finding the Fourth Proportional to 20,119,226.70, 30,178,840.05 and 16,009,416.30

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Solution

The fourth proportional to 20,119,226.70, 30,178,840.05 and 16,009,416.30 is: 24,014,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119,226.70 : 30,178,840.05 = 16,009,416.30 : x
  2. Step 2: Convert to fraction form
    20,119,226.70/30,178,840.05 = 16,009,416.30/x
  3. Step 3: Cross multiply
    20,119,226.70x = 30,178,840.05 × 16,009,416.30
  4. Step 4: Simplify right side
    20,119,226.70x = 483,145,613,811,562.88
  5. Step 5: Solve for x
    x = 483,145,613,811,562.88/20,119,226.70
  6. Step 6: Final answer
    x = 24,014,124.45

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Double scale
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Similar ratio
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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.