Home / 18,317,428.39-27,476,889.81-4,670,928.69

Finding the Fourth Proportional to 18,317,428.39, 27,476,889.81 and 4,670,928.69

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Solution

The fourth proportional to 18,317,428.39, 27,476,889.81 and 4,670,928.69 is: 7,006,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317,428.39 : 27,476,889.81 = 4,670,928.69 : x
  2. Step 2: Convert to fraction form
    18,317,428.39/27,476,889.81 = 4,670,928.69/x
  3. Step 3: Cross multiply
    18,317,428.39x = 27,476,889.81 × 4,670,928.69
  4. Step 4: Simplify right side
    18,317,428.39x = 128,342,592,925,497.66
  5. Step 5: Solve for x
    x = 128,342,592,925,497.66/18,317,428.39
  6. Step 6: Final answer
    x = 7,006,583.58

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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.