Home / 12,279,646.40-18,415,483.83-4,080,086.60

Finding the Fourth Proportional to 12,279,646.40, 18,415,483.83 and 4,080,086.60

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Solution

The fourth proportional to 12,279,646.40, 18,415,483.83 and 4,080,086.60 is: 6,118,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,279,646.40 : 18,415,483.83 = 4,080,086.60 : x
  2. Step 2: Convert to fraction form
    12,279,646.40/18,415,483.83 = 4,080,086.60/x
  3. Step 3: Cross multiply
    12,279,646.40x = 18,415,483.83 × 4,080,086.60
  4. Step 4: Simplify right side
    12,279,646.40x = 75,136,768,715,222.25
  5. Step 5: Solve for x
    x = 75,136,768,715,222.25/12,279,646.40
  6. Step 6: Final answer
    x = 6,118,805.57

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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.