Home / 7,308,739.20-10,939,489.20-5,702,606.40

Finding the Fourth Proportional to 7,308,739.20, 10,939,489.20 and 5,702,606.40

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Solution

The fourth proportional to 7,308,739.20, 10,939,489.20 and 5,702,606.40 is: 8,535,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308,739.20 : 10,939,489.20 = 5,702,606.40 : x
  2. Step 2: Convert to fraction form
    7,308,739.20/10,939,489.20 = 5,702,606.40/x
  3. Step 3: Cross multiply
    7,308,739.20x = 10,939,489.20 × 5,702,606.40
  4. Step 4: Simplify right side
    7,308,739.20x = 62,383,601,124,650.88
  5. Step 5: Solve for x
    x = 62,383,601,124,650.88/7,308,739.20
  6. Step 6: Final answer
    x = 8,535,480.53

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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.