Home / 28,139,923.24-42,210,611.58-7,669,810.60

Finding the Fourth Proportional to 28,139,923.24, 42,210,611.58 and 7,669,810.60

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Solution

The fourth proportional to 28,139,923.24, 42,210,611.58 and 7,669,810.60 is: 11,504,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,139,923.24 : 42,210,611.58 = 7,669,810.60 : x
  2. Step 2: Convert to fraction form
    28,139,923.24/42,210,611.58 = 7,669,810.60/x
  3. Step 3: Cross multiply
    28,139,923.24x = 42,210,611.58 × 7,669,810.60
  4. Step 4: Simplify right side
    28,139,923.24x = 323,747,396,128,766.69
  5. Step 5: Solve for x
    x = 323,747,396,128,766.69/28,139,923.24
  6. Step 6: Final answer
    x = 11,504,913.97

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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.