Finding the Fourth Proportional to 10,324,874.64, 14,248,675.02 and 5,679,018.99
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Solution
The fourth proportional to 10,324,874.64, 14,248,675.02 and 5,679,018.99 is: 7,837,237.63
Step by Step Solution
- Step 1: Write the proportion equation
10,324,874.64 : 14,248,675.02 = 5,679,018.99 : x - Step 2: Convert to fraction form
10,324,874.64/14,248,675.02 = 5,679,018.99/x - Step 3: Cross multiply
10,324,874.64x = 14,248,675.02 × 5,679,018.99 - Step 4: Simplify right side
10,324,874.64x = 80,918,496,020,918.62 - Step 5: Solve for x
x = 80,918,496,020,918.62/10,324,874.64 - Step 6: Final answer
x = 7,837,237.63
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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.