Home / 7,889,905.60-11,834,858.40-2,839,393.60

Finding the Fourth Proportional to 7,889,905.60, 11,834,858.40 and 2,839,393.60

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Solution

The fourth proportional to 7,889,905.60, 11,834,858.40 and 2,839,393.60 is: 4,259,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,905.60 : 11,834,858.40 = 2,839,393.60 : x
  2. Step 2: Convert to fraction form
    7,889,905.60/11,834,858.40 = 2,839,393.60/x
  3. Step 3: Cross multiply
    7,889,905.60x = 11,834,858.40 × 2,839,393.60
  4. Step 4: Simplify right side
    7,889,905.60x = 33,603,821,197,866.24
  5. Step 5: Solve for x
    x = 33,603,821,197,866.24/7,889,905.60
  6. Step 6: Final answer
    x = 4,259,090.40

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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.