Home / 28,090,797.82-42,136,196.74-7,896,039.82

Finding the Fourth Proportional to 28,090,797.82, 42,136,196.74 and 7,896,039.82

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Solution

The fourth proportional to 28,090,797.82, 42,136,196.74 and 7,896,039.82 is: 11,844,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090,797.82 : 42,136,196.74 = 7,896,039.82 : x
  2. Step 2: Convert to fraction form
    28,090,797.82/42,136,196.74 = 7,896,039.82/x
  3. Step 3: Cross multiply
    28,090,797.82x = 42,136,196.74 × 7,896,039.82
  4. Step 4: Simplify right side
    28,090,797.82x = 332,709,087,322,394.19
  5. Step 5: Solve for x
    x = 332,709,087,322,394.19/28,090,797.82
  6. Step 6: Final answer
    x = 11,844,059.73

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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.