Finding the Fourth Proportional to 11,383,885.30, 15,710,136.42 and 6,227,128.84
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Solution
The fourth proportional to 11,383,885.30, 15,710,136.42 and 6,227,128.84 is: 8,593,642.77
Step by Step Solution
- Step 1: Write the proportion equation
11,383,885.30 : 15,710,136.42 = 6,227,128.84 : x - Step 2: Convert to fraction form
11,383,885.30/15,710,136.42 = 6,227,128.84/x - Step 3: Cross multiply
11,383,885.30x = 15,710,136.42 × 6,227,128.84 - Step 4: Simplify right side
11,383,885.30x = 97,829,043,581,316.34 - Step 5: Solve for x
x = 97,829,043,581,316.34/11,383,885.30 - Step 6: Final answer
x = 8,593,642.77
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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.