Home / 12,082,666.60-18,123,999.90-11,618,180.20

Finding the Fourth Proportional to 12,082,666.60, 18,123,999.90 and 11,618,180.20

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Solution

The fourth proportional to 12,082,666.60, 18,123,999.90 and 11,618,180.20 is: 17,427,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082,666.60 : 18,123,999.90 = 11,618,180.20 : x
  2. Step 2: Convert to fraction form
    12,082,666.60/18,123,999.90 = 11,618,180.20/x
  3. Step 3: Cross multiply
    12,082,666.60x = 18,123,999.90 × 11,618,180.20
  4. Step 4: Simplify right side
    12,082,666.60x = 210,567,896,782,981.94
  5. Step 5: Solve for x
    x = 210,567,896,782,981.94/12,082,666.60
  6. Step 6: Final answer
    x = 17,427,270.30

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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.