Home / 14,269,792.80-21,388,942.80-7,884,627.60

Finding the Fourth Proportional to 14,269,792.80, 21,388,942.80 and 7,884,627.60

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Solution

The fourth proportional to 14,269,792.80, 21,388,942.80 and 7,884,627.60 is: 11,818,240.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269,792.80 : 21,388,942.80 = 7,884,627.60 : x
  2. Step 2: Convert to fraction form
    14,269,792.80/21,388,942.80 = 7,884,627.60/x
  3. Step 3: Cross multiply
    14,269,792.80x = 21,388,942.80 × 7,884,627.60
  4. Step 4: Simplify right side
    14,269,792.80x = 168,643,848,735,701.28
  5. Step 5: Solve for x
    x = 168,643,848,735,701.28/14,269,792.80
  6. Step 6: Final answer
    x = 11,818,240.89

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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.