Home / 27,289,327.40-40,934,647.20-8,120,709.80

Finding the Fourth Proportional to 27,289,327.40, 40,934,647.20 and 8,120,709.80

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Solution

The fourth proportional to 27,289,327.40, 40,934,647.20 and 8,120,709.80 is: 12,181,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289,327.40 : 40,934,647.20 = 8,120,709.80 : x
  2. Step 2: Convert to fraction form
    27,289,327.40/40,934,647.20 = 8,120,709.80/x
  3. Step 3: Cross multiply
    27,289,327.40x = 40,934,647.20 × 8,120,709.80
  4. Step 4: Simplify right side
    27,289,327.40x = 332,418,390,676,582.56
  5. Step 5: Solve for x
    x = 332,418,390,676,582.56/27,289,327.40
  6. Step 6: Final answer
    x = 12,181,259.94

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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.