Home / 10,881,307.70-16,321,961.55-3,308,261.30

Finding the Fourth Proportional to 10,881,307.70, 16,321,961.55 and 3,308,261.30

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Solution

The fourth proportional to 10,881,307.70, 16,321,961.55 and 3,308,261.30 is: 4,962,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881,307.70 : 16,321,961.55 = 3,308,261.30 : x
  2. Step 2: Convert to fraction form
    10,881,307.70/16,321,961.55 = 3,308,261.30/x
  3. Step 3: Cross multiply
    10,881,307.70x = 16,321,961.55 × 3,308,261.30
  4. Step 4: Simplify right side
    10,881,307.70x = 53,997,313,735,953.02
  5. Step 5: Solve for x
    x = 53,997,313,735,953.02/10,881,307.70
  6. Step 6: Final answer
    x = 4,962,391.95

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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.