Home / 13,382,622.96-18,467,417.76-7,581,286.32

Finding the Fourth Proportional to 13,382,622.96, 18,467,417.76 and 7,581,286.32

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Solution

The fourth proportional to 13,382,622.96, 18,467,417.76 and 7,581,286.32 is: 10,461,834.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382,622.96 : 18,467,417.76 = 7,581,286.32 : x
  2. Step 2: Convert to fraction form
    13,382,622.96/18,467,417.76 = 7,581,286.32/x
  3. Step 3: Cross multiply
    13,382,622.96x = 18,467,417.76 × 7,581,286.32
  4. Step 4: Simplify right side
    13,382,622.96x = 140,006,781,629,613.06
  5. Step 5: Solve for x
    x = 140,006,781,629,613.06/13,382,622.96
  6. Step 6: Final answer
    x = 10,461,834.13

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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.