Home / 18,102,327.86-27,135,555.96-8,500,518.20

Finding the Fourth Proportional to 18,102,327.86, 27,135,555.96 and 8,500,518.20

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Solution

The fourth proportional to 18,102,327.86, 27,135,555.96 and 8,500,518.20 is: 12,742,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102,327.86 : 27,135,555.96 = 8,500,518.20 : x
  2. Step 2: Convert to fraction form
    18,102,327.86/27,135,555.96 = 8,500,518.20/x
  3. Step 3: Cross multiply
    18,102,327.86x = 27,135,555.96 × 8,500,518.20
  4. Step 4: Simplify right side
    18,102,327.86x = 230,666,287,305,098.47
  5. Step 5: Solve for x
    x = 230,666,287,305,098.47/18,102,327.86
  6. Step 6: Final answer
    x = 12,742,354.97

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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.