Finding the Fourth Proportional to 9,965,381.74, 13,752,226.99 and 5,381,703.11
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Solution
The fourth proportional to 9,965,381.74, 13,752,226.99 and 5,381,703.11 is: 7,426,750.40
Step by Step Solution
- Step 1: Write the proportion equation
9,965,381.74 : 13,752,226.99 = 5,381,703.11 : x - Step 2: Convert to fraction form
9,965,381.74/13,752,226.99 = 5,381,703.11/x - Step 3: Cross multiply
9,965,381.74x = 13,752,226.99 × 5,381,703.11 - Step 4: Simplify right side
9,965,381.74x = 74,010,402,802,616.64 - Step 5: Solve for x
x = 74,010,402,802,616.64/9,965,381.74 - Step 6: Final answer
x = 7,426,750.40
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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.