Home / 13,388,330.09-18,476,285.25-7,586,918.93

Finding the Fourth Proportional to 13,388,330.09, 18,476,285.25 and 7,586,918.93

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Solution

The fourth proportional to 13,388,330.09, 18,476,285.25 and 7,586,918.93 is: 10,470,168.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,330.09 : 18,476,285.25 = 7,586,918.93 : x
  2. Step 2: Convert to fraction form
    13,388,330.09/18,476,285.25 = 7,586,918.93/x
  3. Step 3: Cross multiply
    13,388,330.09x = 18,476,285.25 × 7,586,918.93
  4. Step 4: Simplify right side
    13,388,330.09x = 140,178,078,188,988.77
  5. Step 5: Solve for x
    x = 140,178,078,188,988.77/13,388,330.09
  6. Step 6: Final answer
    x = 10,470,168.97

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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.