Home / 12,081,195.69-18,123,495.47-3,881,088.06

Finding the Fourth Proportional to 12,081,195.69, 18,123,495.47 and 3,881,088.06

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Solution

The fourth proportional to 12,081,195.69, 18,123,495.47 and 3,881,088.06 is: 5,822,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081,195.69 : 18,123,495.47 = 3,881,088.06 : x
  2. Step 2: Convert to fraction form
    12,081,195.69/18,123,495.47 = 3,881,088.06/x
  3. Step 3: Cross multiply
    12,081,195.69x = 18,123,495.47 × 3,881,088.06
  4. Step 4: Simplify right side
    12,081,195.69x = 70,338,881,874,081.09
  5. Step 5: Solve for x
    x = 70,338,881,874,081.09/12,081,195.69
  6. Step 6: Final answer
    x = 5,822,178.84

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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.