Finding the Fourth Proportional to 11,616,219.87, 16,030,415.35 and 6,389,763.49
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Solution
The fourth proportional to 11,616,219.87, 16,030,415.35 and 6,389,763.49 is: 8,817,891.19
Step by Step Solution
- Step 1: Write the proportion equation
11,616,219.87 : 16,030,415.35 = 6,389,763.49 : x - Step 2: Convert to fraction form
11,616,219.87/16,030,415.35 = 6,389,763.49/x - Step 3: Cross multiply
11,616,219.87x = 16,030,415.35 × 6,389,763.49 - Step 4: Simplify right side
11,616,219.87x = 102,430,562,824,050.75 - Step 5: Solve for x
x = 102,430,562,824,050.75/11,616,219.87 - Step 6: Final answer
x = 8,817,891.19
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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.