Finding the Fourth Proportional to 13,207,087.67, 19,811,988.92 and 4,571,173.98
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Solution
The fourth proportional to 13,207,087.67, 19,811,988.92 and 4,571,173.98 is: 6,857,230.80
Step by Step Solution
- Step 1: Write the proportion equation
13,207,087.67 : 19,811,988.92 = 4,571,173.98 : x - Step 2: Convert to fraction form
13,207,087.67/19,811,988.92 = 4,571,173.98/x - Step 3: Cross multiply
13,207,087.67x = 19,811,988.92 × 4,571,173.98 - Step 4: Simplify right side
13,207,087.67x = 90,564,048,254,580.25 - Step 5: Solve for x
x = 90,564,048,254,580.25/13,207,087.67 - Step 6: Final answer
x = 6,857,230.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.