Home / 12,653,179.60-18,965,772.60-6,977,477.20

Finding the Fourth Proportional to 12,653,179.60, 18,965,772.60 and 6,977,477.20

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Solution

The fourth proportional to 12,653,179.60, 18,965,772.60 and 6,977,477.20 is: 10,458,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653,179.60 : 18,965,772.60 = 6,977,477.20 : x
  2. Step 2: Convert to fraction form
    12,653,179.60/18,965,772.60 = 6,977,477.20/x
  3. Step 3: Cross multiply
    12,653,179.60x = 18,965,772.60 × 6,977,477.20
  4. Step 4: Simplify right side
    12,653,179.60x = 132,333,245,896,884.73
  5. Step 5: Solve for x
    x = 132,333,245,896,884.73/12,653,179.60
  6. Step 6: Final answer
    x = 10,458,497.40

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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.