Home / 12,834,583.20-19,257,058.80-5,647,485.60

Finding the Fourth Proportional to 12,834,583.20, 19,257,058.80 and 5,647,485.60

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Solution

The fourth proportional to 12,834,583.20, 19,257,058.80 and 5,647,485.60 is: 8,473,509.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,834,583.20 : 19,257,058.80 = 5,647,485.60 : x
  2. Step 2: Convert to fraction form
    12,834,583.20/19,257,058.80 = 5,647,485.60/x
  3. Step 3: Cross multiply
    12,834,583.20x = 19,257,058.80 × 5,647,485.60
  4. Step 4: Simplify right side
    12,834,583.20x = 108,753,962,271,353.28
  5. Step 5: Solve for x
    x = 108,753,962,271,353.28/12,834,583.20
  6. Step 6: Final answer
    x = 8,473,509.47

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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.