Home / 20,684,749.14-31,027,040.24-6,307,775.42

Finding the Fourth Proportional to 20,684,749.14, 31,027,040.24 and 6,307,775.42

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Solution

The fourth proportional to 20,684,749.14, 31,027,040.24 and 6,307,775.42 is: 9,461,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,684,749.14 : 31,027,040.24 = 6,307,775.42 : x
  2. Step 2: Convert to fraction form
    20,684,749.14/31,027,040.24 = 6,307,775.42/x
  3. Step 3: Cross multiply
    20,684,749.14x = 31,027,040.24 × 6,307,775.42
  4. Step 4: Simplify right side
    20,684,749.14x = 195,711,601,594,548.81
  5. Step 5: Solve for x
    x = 195,711,601,594,548.81/20,684,749.14
  6. Step 6: Final answer
    x = 9,461,637.67

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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.