Finding the Fourth Proportional to 8,736,172.96, 13,104,922.88 and 2,977,116.70
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Solution
The fourth proportional to 8,736,172.96, 13,104,922.88 and 2,977,116.70 is: 4,465,901.14
Step by Step Solution
- Step 1: Write the proportion equation
8,736,172.96 : 13,104,922.88 = 2,977,116.70 : x - Step 2: Convert to fraction form
8,736,172.96/13,104,922.88 = 2,977,116.70/x - Step 3: Cross multiply
8,736,172.96x = 13,104,922.88 × 2,977,116.70 - Step 4: Simplify right side
8,736,172.96x = 39,014,884,743,374.52 - Step 5: Solve for x
x = 39,014,884,743,374.52/8,736,172.96 - Step 6: Final answer
x = 4,465,901.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.