Home / 12,439,360.20-18,667,334.70-7,048,000.20

Finding the Fourth Proportional to 12,439,360.20, 18,667,334.70 and 7,048,000.20

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Solution

The fourth proportional to 12,439,360.20, 18,667,334.70 and 7,048,000.20 is: 10,576,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439,360.20 : 18,667,334.70 = 7,048,000.20 : x
  2. Step 2: Convert to fraction form
    12,439,360.20/18,667,334.70 = 7,048,000.20/x
  3. Step 3: Cross multiply
    12,439,360.20x = 18,667,334.70 × 7,048,000.20
  4. Step 4: Simplify right side
    12,439,360.20x = 131,567,378,699,066.94
  5. Step 5: Solve for x
    x = 131,567,378,699,066.94/12,439,360.20
  6. Step 6: Final answer
    x = 10,576,699.81

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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.