Home / 12,596,431.80-18,881,745.30-6,196,841.40

Finding the Fourth Proportional to 12,596,431.80, 18,881,745.30 and 6,196,841.40

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Solution

The fourth proportional to 12,596,431.80, 18,881,745.30 and 6,196,841.40 is: 9,288,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,596,431.80 : 18,881,745.30 = 6,196,841.40 : x
  2. Step 2: Convert to fraction form
    12,596,431.80/18,881,745.30 = 6,196,841.40/x
  3. Step 3: Cross multiply
    12,596,431.80x = 18,881,745.30 × 6,196,841.40
  4. Step 4: Simplify right side
    12,596,431.80x = 117,007,180,979,295.44
  5. Step 5: Solve for x
    x = 117,007,180,979,295.44/12,596,431.80
  6. Step 6: Final answer
    x = 9,288,914.74

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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.