Home / 20,776,255.14-31,164,375.42-5,630,186.64

Finding the Fourth Proportional to 20,776,255.14, 31,164,375.42 and 5,630,186.64

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Solution

The fourth proportional to 20,776,255.14, 31,164,375.42 and 5,630,186.64 is: 8,445,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,776,255.14 : 31,164,375.42 = 5,630,186.64 : x
  2. Step 2: Convert to fraction form
    20,776,255.14/31,164,375.42 = 5,630,186.64/x
  3. Step 3: Cross multiply
    20,776,255.14x = 31,164,375.42 × 5,630,186.64
  4. Step 4: Simplify right side
    20,776,255.14x = 175,461,250,133,628.38
  5. Step 5: Solve for x
    x = 175,461,250,133,628.38/20,776,255.14
  6. Step 6: Final answer
    x = 8,445,277.98

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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.