Home / 18,150,666.30-27,225,999.45-6,789,638.70

Finding the Fourth Proportional to 18,150,666.30, 27,225,999.45 and 6,789,638.70

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Solution

The fourth proportional to 18,150,666.30, 27,225,999.45 and 6,789,638.70 is: 10,184,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150,666.30 : 27,225,999.45 = 6,789,638.70 : x
  2. Step 2: Convert to fraction form
    18,150,666.30/27,225,999.45 = 6,789,638.70/x
  3. Step 3: Cross multiply
    18,150,666.30x = 27,225,999.45 × 6,789,638.70
  4. Step 4: Simplify right side
    18,150,666.30x = 184,854,699,511,898.72
  5. Step 5: Solve for x
    x = 184,854,699,511,898.72/18,150,666.30
  6. Step 6: Final answer
    x = 10,184,458.05

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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.