Home / 8,173,750.40-12,239,630.40-6,480,137.60

Finding the Fourth Proportional to 8,173,750.40, 12,239,630.40 and 6,480,137.60

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Solution

The fourth proportional to 8,173,750.40, 12,239,630.40 and 6,480,137.60 is: 9,703,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173,750.40 : 12,239,630.40 = 6,480,137.60 : x
  2. Step 2: Convert to fraction form
    8,173,750.40/12,239,630.40 = 6,480,137.60/x
  3. Step 3: Cross multiply
    8,173,750.40x = 12,239,630.40 × 6,480,137.60
  4. Step 4: Simplify right side
    8,173,750.40x = 79,314,489,165,143.03
  5. Step 5: Solve for x
    x = 79,314,489,165,143.03/8,173,750.40
  6. Step 6: Final answer
    x = 9,703,561.44

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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.