Home / 18,814,992.68-28,213,359.42-11,036,032.04

Finding the Fourth Proportional to 18,814,992.68, 28,213,359.42 and 11,036,032.04

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Solution

The fourth proportional to 18,814,992.68, 28,213,359.42 and 11,036,032.04 is: 16,548,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,814,992.68 : 28,213,359.42 = 11,036,032.04 : x
  2. Step 2: Convert to fraction form
    18,814,992.68/28,213,359.42 = 11,036,032.04/x
  3. Step 3: Cross multiply
    18,814,992.68x = 28,213,359.42 × 11,036,032.04
  4. Step 4: Simplify right side
    18,814,992.68x = 311,363,538,515,155.81
  5. Step 5: Solve for x
    x = 311,363,538,515,155.81/18,814,992.68
  6. Step 6: Final answer
    x = 16,548,693.05

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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.