Finding the Fourth Proportional to 9,129,704.84, 12,598,838.82 and 5,055,236.36
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Solution
The fourth proportional to 9,129,704.84, 12,598,838.82 and 5,055,236.36 is: 6,976,140.98
Step by Step Solution
- Step 1: Write the proportion equation
9,129,704.84 : 12,598,838.82 = 5,055,236.36 : x - Step 2: Convert to fraction form
9,129,704.84/12,598,838.82 = 5,055,236.36/x - Step 3: Cross multiply
9,129,704.84x = 12,598,838.82 × 5,055,236.36 - Step 4: Simplify right side
9,129,704.84x = 63,690,108,096,643.50 - Step 5: Solve for x
x = 63,690,108,096,643.50/9,129,704.84 - Step 6: Final answer
x = 6,976,140.98
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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.