Home / 10,853,891.40-16,290,168.30-4,797,942.60

Finding the Fourth Proportional to 10,853,891.40, 16,290,168.30 and 4,797,942.60

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Solution

The fourth proportional to 10,853,891.40, 16,290,168.30 and 4,797,942.60 is: 7,201,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853,891.40 : 16,290,168.30 = 4,797,942.60 : x
  2. Step 2: Convert to fraction form
    10,853,891.40/16,290,168.30 = 4,797,942.60/x
  3. Step 3: Cross multiply
    10,853,891.40x = 16,290,168.30 × 4,797,942.60
  4. Step 4: Simplify right side
    10,853,891.40x = 78,159,292,447,739.58
  5. Step 5: Solve for x
    x = 78,159,292,447,739.58/10,853,891.40
  6. Step 6: Final answer
    x = 7,201,038.74

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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.