Finding the Fourth Proportional to 11,212,998.18, 16,823,400.57 and 3,537,828.06
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Solution
The fourth proportional to 11,212,998.18, 16,823,400.57 and 3,537,828.06 is: 5,307,973.63
Step by Step Solution
- Step 1: Write the proportion equation
11,212,998.18 : 16,823,400.57 = 3,537,828.06 : x - Step 2: Convert to fraction form
11,212,998.18/16,823,400.57 = 3,537,828.06/x - Step 3: Cross multiply
11,212,998.18x = 16,823,400.57 × 3,537,828.06 - Step 4: Simplify right side
11,212,998.18x = 59,518,298,601,166 - Step 5: Solve for x
x = 59,518,298,601,166/11,212,998.18 - Step 6: Final answer
x = 5,307,973.63
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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.