Home / 19,903,847.78-27,456,774.72-13,698,120.48

Finding the Fourth Proportional to 19,903,847.78, 27,456,774.72 and 13,698,120.48

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Solution

The fourth proportional to 19,903,847.78, 27,456,774.72 and 13,698,120.48 is: 18,896,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,903,847.78 : 27,456,774.72 = 13,698,120.48 : x
  2. Step 2: Convert to fraction form
    19,903,847.78/27,456,774.72 = 13,698,120.48/x
  3. Step 3: Cross multiply
    19,903,847.78x = 27,456,774.72 × 13,698,120.48
  4. Step 4: Simplify right side
    19,903,847.78x = 376,106,208,106,778.25
  5. Step 5: Solve for x
    x = 376,106,208,106,778.25/19,903,847.78
  6. Step 6: Final answer
    x = 18,896,155.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.