Home / 18,509,619.83-27,767,013.13-7,724,448.46

Finding the Fourth Proportional to 18,509,619.83, 27,767,013.13 and 7,724,448.46

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Solution

The fourth proportional to 18,509,619.83, 27,767,013.13 and 7,724,448.46 is: 11,587,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,509,619.83 : 27,767,013.13 = 7,724,448.46 : x
  2. Step 2: Convert to fraction form
    18,509,619.83/27,767,013.13 = 7,724,448.46/x
  3. Step 3: Cross multiply
    18,509,619.83x = 27,767,013.13 × 7,724,448.46
  4. Step 4: Simplify right side
    18,509,619.83x = 214,484,861,855,192.62
  5. Step 5: Solve for x
    x = 214,484,861,855,192.62/18,509,619.83
  6. Step 6: Final answer
    x = 11,587,750.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.