Finding the Fourth Proportional to 11,219,918.49, 16,860,267.27 and 6,106,129.29
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Solution
The fourth proportional to 11,219,918.49, 16,860,267.27 and 6,106,129.29 is: 9,175,732.60
Step by Step Solution
- Step 1: Write the proportion equation
11,219,918.49 : 16,860,267.27 = 6,106,129.29 : x - Step 2: Convert to fraction form
11,219,918.49/16,860,267.27 = 6,106,129.29/x - Step 3: Cross multiply
11,219,918.49x = 16,860,267.27 × 6,106,129.29 - Step 4: Simplify right side
11,219,918.49x = 102,950,971,814,575.34 - Step 5: Solve for x
x = 102,950,971,814,575.34/11,219,918.49 - Step 6: Final answer
x = 9,175,732.60
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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.