Finding the Fourth Proportional to 8,643,292.80, 12,965,595.30 and 2,577,551.10
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Solution
The fourth proportional to 8,643,292.80, 12,965,595.30 and 2,577,551.10 is: 3,866,522.31
Step by Step Solution
- Step 1: Write the proportion equation
8,643,292.80 : 12,965,595.30 = 2,577,551.10 : x - Step 2: Convert to fraction form
8,643,292.80/12,965,595.30 = 2,577,551.10/x - Step 3: Cross multiply
8,643,292.80x = 12,965,595.30 × 2,577,551.10 - Step 4: Simplify right side
8,643,292.80x = 33,419,484,427,669.83 - Step 5: Solve for x
x = 33,419,484,427,669.83/8,643,292.80 - Step 6: Final answer
x = 3,866,522.31
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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.