Finding the Fourth Proportional to 9,506,921.88, 13,119,349.86 and 5,376,408.96
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Solution
The fourth proportional to 9,506,921.88, 13,119,349.86 and 5,376,408.96 is: 7,419,329.94
Step by Step Solution
- Step 1: Write the proportion equation
9,506,921.88 : 13,119,349.86 = 5,376,408.96 : x - Step 2: Convert to fraction form
9,506,921.88/13,119,349.86 = 5,376,408.96/x - Step 3: Cross multiply
9,506,921.88x = 13,119,349.86 × 5,376,408.96 - Step 4: Simplify right side
9,506,921.88x = 70,534,990,136,678.73 - Step 5: Solve for x
x = 70,534,990,136,678.73/9,506,921.88 - Step 6: Final answer
x = 7,419,329.94
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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.