Home / 13,624,665-18,802,491.74-7,430,050.74

Finding the Fourth Proportional to 13,624,665, 18,802,491.74 and 7,430,050.74

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Solution

The fourth proportional to 13,624,665, 18,802,491.74 and 7,430,050.74 is: 10,253,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624,665 : 18,802,491.74 = 7,430,050.74 : x
  2. Step 2: Convert to fraction form
    13,624,665/18,802,491.74 = 7,430,050.74/x
  3. Step 3: Cross multiply
    13,624,665x = 18,802,491.74 × 7,430,050.74
  4. Step 4: Simplify right side
    13,624,665x = 139,703,467,629,480.64
  5. Step 5: Solve for x
    x = 139,703,467,629,480.64/13,624,665
  6. Step 6: Final answer
    x = 10,253,717.62

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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.