Home / 20,022,864.75-27,635,875.29-12,184,902.34

Finding the Fourth Proportional to 20,022,864.75, 27,635,875.29 and 12,184,902.34

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Solution

The fourth proportional to 20,022,864.75, 27,635,875.29 and 12,184,902.34 is: 16,817,795.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022,864.75 : 27,635,875.29 = 12,184,902.34 : x
  2. Step 2: Convert to fraction form
    20,022,864.75/27,635,875.29 = 12,184,902.34/x
  3. Step 3: Cross multiply
    20,022,864.75x = 27,635,875.29 × 12,184,902.34
  4. Step 4: Simplify right side
    20,022,864.75x = 336,740,441,419,979.50
  5. Step 5: Solve for x
    x = 336,740,441,419,979.50/20,022,864.75
  6. Step 6: Final answer
    x = 16,817,795.34

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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.