Home / 13,579,210.46-18,738,936.74-7,467,638.96

Finding the Fourth Proportional to 13,579,210.46, 18,738,936.74 and 7,467,638.96

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Solution

The fourth proportional to 13,579,210.46, 18,738,936.74 and 7,467,638.96 is: 10,305,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579,210.46 : 18,738,936.74 = 7,467,638.96 : x
  2. Step 2: Convert to fraction form
    13,579,210.46/18,738,936.74 = 7,467,638.96/x
  3. Step 3: Cross multiply
    13,579,210.46x = 18,738,936.74 × 7,467,638.96
  4. Step 4: Simplify right side
    13,579,210.46x = 139,935,613,937,566.52
  5. Step 5: Solve for x
    x = 139,935,613,937,566.52/13,579,210.46
  6. Step 6: Final answer
    x = 10,305,136.25

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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.