Home / 20,848,997.16-28,771,596.78-11,681,705.48

Finding the Fourth Proportional to 20,848,997.16, 28,771,596.78 and 11,681,705.48

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Solution

The fourth proportional to 20,848,997.16, 28,771,596.78 and 11,681,705.48 is: 16,120,742.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848,997.16 : 28,771,596.78 = 11,681,705.48 : x
  2. Step 2: Convert to fraction form
    20,848,997.16/28,771,596.78 = 11,681,705.48/x
  3. Step 3: Cross multiply
    20,848,997.16x = 28,771,596.78 × 11,681,705.48
  4. Step 4: Simplify right side
    20,848,997.16x = 336,101,319,773,276.38
  5. Step 5: Solve for x
    x = 336,101,319,773,276.38/20,848,997.16
  6. Step 6: Final answer
    x = 16,120,742.75

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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.