Finding the Fourth Proportional to 13,870,592.08, 19,145,263.80 and 8,070,494.08
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Solution
The fourth proportional to 13,870,592.08, 19,145,263.80 and 8,070,494.08 is: 11,139,520.02
Step by Step Solution
- Step 1: Write the proportion equation
13,870,592.08 : 19,145,263.80 = 8,070,494.08 : x - Step 2: Convert to fraction form
13,870,592.08/19,145,263.80 = 8,070,494.08/x - Step 3: Cross multiply
13,870,592.08x = 19,145,263.80 × 8,070,494.08 - Step 4: Simplify right side
13,870,592.08x = 154,511,738,157,938.31 - Step 5: Solve for x
x = 154,511,738,157,938.31/13,870,592.08 - Step 6: Final answer
x = 11,139,520.02
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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.