Finding the Fourth Proportional to 11,090,455.62, 16,620,813.36 and 8,631,440.82
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Solution
The fourth proportional to 11,090,455.62, 16,620,813.36 and 8,631,440.82 is: 12,935,588.20
Step by Step Solution
- Step 1: Write the proportion equation
11,090,455.62 : 16,620,813.36 = 8,631,440.82 : x - Step 2: Convert to fraction form
11,090,455.62/16,620,813.36 = 8,631,440.82/x - Step 3: Cross multiply
11,090,455.62x = 16,620,813.36 × 8,631,440.82 - Step 4: Simplify right side
11,090,455.62x = 143,461,566,897,105.34 - Step 5: Solve for x
x = 143,461,566,897,105.34/11,090,455.62 - Step 6: Final answer
x = 12,935,588.20
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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.