Finding the Fourth Proportional to 19,450,352.88, 26,838,760.86 and 11,187,273.96
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Solution
The fourth proportional to 19,450,352.88, 26,838,760.86 and 11,187,273.96 is: 15,436,870.08
Step by Step Solution
- Step 1: Write the proportion equation
19,450,352.88 : 26,838,760.86 = 11,187,273.96 : x - Step 2: Convert to fraction form
19,450,352.88/26,838,760.86 = 11,187,273.96/x - Step 3: Cross multiply
19,450,352.88x = 26,838,760.86 × 11,187,273.96 - Step 4: Simplify right side
19,450,352.88x = 300,252,570,487,745.25 - Step 5: Solve for x
x = 300,252,570,487,745.25/19,450,352.88 - Step 6: Final answer
x = 15,436,870.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.