Home / 13,610,922.66-18,782,836.75-7,416,020.28

Finding the Fourth Proportional to 13,610,922.66, 18,782,836.75 and 7,416,020.28

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Solution

The fourth proportional to 13,610,922.66, 18,782,836.75 and 7,416,020.28 is: 10,233,979.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,922.66 : 18,782,836.75 = 7,416,020.28 : x
  2. Step 2: Convert to fraction form
    13,610,922.66/18,782,836.75 = 7,416,020.28/x
  3. Step 3: Cross multiply
    13,610,922.66x = 18,782,836.75 × 7,416,020.28
  4. Step 4: Simplify right side
    13,610,922.66x = 139,293,898,253,929.30
  5. Step 5: Solve for x
    x = 139,293,898,253,929.30/13,610,922.66
  6. Step 6: Final answer
    x = 10,233,979.12

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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.