Home / 20,337,814.28-28,066,731.84-11,965,768.47

Finding the Fourth Proportional to 20,337,814.28, 28,066,731.84 and 11,965,768.47

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Solution

The fourth proportional to 20,337,814.28, 28,066,731.84 and 11,965,768.47 is: 16,513,082.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,337,814.28 : 28,066,731.84 = 11,965,768.47 : x
  2. Step 2: Convert to fraction form
    20,337,814.28/28,066,731.84 = 11,965,768.47/x
  3. Step 3: Cross multiply
    20,337,814.28x = 28,066,731.84 × 11,965,768.47
  4. Step 4: Simplify right side
    20,337,814.28x = 335,840,014,907,017.12
  5. Step 5: Solve for x
    x = 335,840,014,907,017.12/20,337,814.28
  6. Step 6: Final answer
    x = 16,513,082.98

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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.