Finding the Fourth Proportional to 8,813,892.96, 12,163,389.84 and 4,946,708.16
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Solution
The fourth proportional to 8,813,892.96, 12,163,389.84 and 4,946,708.16 is: 6,826,579.36
Step by Step Solution
- Step 1: Write the proportion equation
8,813,892.96 : 12,163,389.84 = 4,946,708.16 : x - Step 2: Convert to fraction form
8,813,892.96/12,163,389.84 = 4,946,708.16/x - Step 3: Cross multiply
8,813,892.96x = 12,163,389.84 × 4,946,708.16 - Step 4: Simplify right side
8,813,892.96x = 60,168,739,774,789.09 - Step 5: Solve for x
x = 60,168,739,774,789.09/8,813,892.96 - Step 6: Final answer
x = 6,826,579.36
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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.