Home / 8,524,946.40-12,770,830.80-5,149,125.60

Finding the Fourth Proportional to 8,524,946.40, 12,770,830.80 and 5,149,125.60

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Solution

The fourth proportional to 8,524,946.40, 12,770,830.80 and 5,149,125.60 is: 7,713,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524,946.40 : 12,770,830.80 = 5,149,125.60 : x
  2. Step 2: Convert to fraction form
    8,524,946.40/12,770,830.80 = 5,149,125.60/x
  3. Step 3: Cross multiply
    8,524,946.40x = 12,770,830.80 × 5,149,125.60
  4. Step 4: Simplify right side
    8,524,946.40x = 65,758,611,805,548.48
  5. Step 5: Solve for x
    x = 65,758,611,805,548.48/8,524,946.40
  6. Step 6: Final answer
    x = 7,713,668.65

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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.