Home / 11,509,123.08-15,880,218.94-6,613,399.32

Finding the Fourth Proportional to 11,509,123.08, 15,880,218.94 and 6,613,399.32

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Solution

The fourth proportional to 11,509,123.08, 15,880,218.94 and 6,613,399.32 is: 9,125,128.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509,123.08 : 15,880,218.94 = 6,613,399.32 : x
  2. Step 2: Convert to fraction form
    11,509,123.08/15,880,218.94 = 6,613,399.32/x
  3. Step 3: Cross multiply
    11,509,123.08x = 15,880,218.94 × 6,613,399.32
  4. Step 4: Simplify right side
    11,509,123.08x = 105,022,229,139,247.12
  5. Step 5: Solve for x
    x = 105,022,229,139,247.12/11,509,123.08
  6. Step 6: Final answer
    x = 9,125,128.68

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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.