Finding the Fourth Proportional to 10,977,191.69, 15,148,509.44 and 6,082,730.64
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Solution
The fourth proportional to 10,977,191.69, 15,148,509.44 and 6,082,730.64 is: 8,394,159.92
Step by Step Solution
- Step 1: Write the proportion equation
10,977,191.69 : 15,148,509.44 = 6,082,730.64 : x - Step 2: Convert to fraction form
10,977,191.69/15,148,509.44 = 6,082,730.64/x - Step 3: Cross multiply
10,977,191.69x = 15,148,509.44 × 6,082,730.64 - Step 4: Simplify right side
10,977,191.69x = 92,144,302,490,603.59 - Step 5: Solve for x
x = 92,144,302,490,603.59/10,977,191.69 - Step 6: Final answer
x = 8,394,159.92
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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.