Home / 11,309,688.20-15,606,709.79-6,347,668.52

Finding the Fourth Proportional to 11,309,688.20, 15,606,709.79 and 6,347,668.52

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Solution

The fourth proportional to 11,309,688.20, 15,606,709.79 and 6,347,668.52 is: 8,759,412.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309,688.20 : 15,606,709.79 = 6,347,668.52 : x
  2. Step 2: Convert to fraction form
    11,309,688.20/15,606,709.79 = 6,347,668.52/x
  3. Step 3: Cross multiply
    11,309,688.20x = 15,606,709.79 × 6,347,668.52
  4. Step 4: Simplify right side
    11,309,688.20x = 99,066,220,324,986.92
  5. Step 5: Solve for x
    x = 99,066,220,324,986.92/11,309,688.20
  6. Step 6: Final answer
    x = 8,759,412.16

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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.