Home / 20,548,237.68-28,357,025.96-11,727,511.88

Finding the Fourth Proportional to 20,548,237.68, 28,357,025.96 and 11,727,511.88

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Solution

The fourth proportional to 20,548,237.68, 28,357,025.96 and 11,727,511.88 is: 16,184,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548,237.68 : 28,357,025.96 = 11,727,511.88 : x
  2. Step 2: Convert to fraction form
    20,548,237.68/28,357,025.96 = 11,727,511.88/x
  3. Step 3: Cross multiply
    20,548,237.68x = 28,357,025.96 × 11,727,511.88
  4. Step 4: Simplify right side
    20,548,237.68x = 332,557,358,827,368.44
  5. Step 5: Solve for x
    x = 332,557,358,827,368.44/20,548,237.68
  6. Step 6: Final answer
    x = 16,184,227.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.