Home / 8,609,427.73-11,880,561.87-5,346,172.40

Finding the Fourth Proportional to 8,609,427.73, 11,880,561.87 and 5,346,172.40

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Solution

The fourth proportional to 8,609,427.73, 11,880,561.87 and 5,346,172.40 is: 7,377,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609,427.73 : 11,880,561.87 = 5,346,172.40 : x
  2. Step 2: Convert to fraction form
    8,609,427.73/11,880,561.87 = 5,346,172.40/x
  3. Step 3: Cross multiply
    8,609,427.73x = 11,880,561.87 × 5,346,172.40
  4. Step 4: Simplify right side
    8,609,427.73x = 63,515,531,906,483.57
  5. Step 5: Solve for x
    x = 63,515,531,906,483.57/8,609,427.73
  6. Step 6: Final answer
    x = 7,377,439.46

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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.