Home / 14,229,905.33-21,353,358.95-13,072,173.54

Finding the Fourth Proportional to 14,229,905.33, 21,353,358.95 and 13,072,173.54

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Solution

The fourth proportional to 14,229,905.33, 21,353,358.95 and 13,072,173.54 is: 19,616,069.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,229,905.33 : 21,353,358.95 = 13,072,173.54 : x
  2. Step 2: Convert to fraction form
    14,229,905.33/21,353,358.95 = 13,072,173.54/x
  3. Step 3: Cross multiply
    14,229,905.33x = 21,353,358.95 × 13,072,173.54
  4. Step 4: Simplify right side
    14,229,905.33x = 279,134,813,790,951.31
  5. Step 5: Solve for x
    x = 279,134,813,790,951.31/14,229,905.33
  6. Step 6: Final answer
    x = 19,616,069.64

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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.