Home / 10,928,352.80-16,382,031.60-8,498,158.40

Finding the Fourth Proportional to 10,928,352.80, 16,382,031.60 and 8,498,158.40

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Solution

The fourth proportional to 10,928,352.80, 16,382,031.60 and 8,498,158.40 is: 12,739,074.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928,352.80 : 16,382,031.60 = 8,498,158.40 : x
  2. Step 2: Convert to fraction form
    10,928,352.80/16,382,031.60 = 8,498,158.40/x
  3. Step 3: Cross multiply
    10,928,352.80x = 16,382,031.60 × 8,498,158.40
  4. Step 4: Simplify right side
    10,928,352.80x = 139,217,099,450,605.44
  5. Step 5: Solve for x
    x = 139,217,099,450,605.44/10,928,352.80
  6. Step 6: Final answer
    x = 12,739,074.41

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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.