Home / 30,009,565.41-41,397,963.62-18,977,735.85

Finding the Fourth Proportional to 30,009,565.41, 41,397,963.62 and 18,977,735.85

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Solution

The fourth proportional to 30,009,565.41, 41,397,963.62 and 18,977,735.85 is: 26,179,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009,565.41 : 41,397,963.62 = 18,977,735.85 : x
  2. Step 2: Convert to fraction form
    30,009,565.41/41,397,963.62 = 18,977,735.85/x
  3. Step 3: Cross multiply
    30,009,565.41x = 41,397,963.62 × 18,977,735.85
  4. Step 4: Simplify right side
    30,009,565.41x = 785,639,618,213,381.25
  5. Step 5: Solve for x
    x = 785,639,618,213,381.25/30,009,565.41
  6. Step 6: Final answer
    x = 26,179,639.97

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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.