Home / 15,519,343.24-21,412,916.46-10,220,491.24

Finding the Fourth Proportional to 15,519,343.24, 21,412,916.46 and 10,220,491.24

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Solution

The fourth proportional to 15,519,343.24, 21,412,916.46 and 10,220,491.24 is: 14,101,790.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519,343.24 : 21,412,916.46 = 10,220,491.24 : x
  2. Step 2: Convert to fraction form
    15,519,343.24/21,412,916.46 = 10,220,491.24/x
  3. Step 3: Cross multiply
    15,519,343.24x = 21,412,916.46 × 10,220,491.24
  4. Step 4: Simplify right side
    15,519,343.24x = 218,850,525,102,281.81
  5. Step 5: Solve for x
    x = 218,850,525,102,281.81/15,519,343.24
  6. Step 6: Final answer
    x = 14,101,790.37

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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.