Finding the Fourth Proportional to 13,875,071.55, 20,805,436.49 and 6,090,800.00
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Solution
The fourth proportional to 13,875,071.55, 20,805,436.49 and 6,090,800.00 is: 9,133,052.18
Step by Step Solution
- Step 1: Write the proportion equation
13,875,071.55 : 20,805,436.49 = 6,090,800.00 : x - Step 2: Convert to fraction form
13,875,071.55/20,805,436.49 = 6,090,800.00/x - Step 3: Cross multiply
13,875,071.55x = 20,805,436.49 × 6,090,800.00 - Step 4: Simplify right side
13,875,071.55x = 126,721,752,438,810.81 - Step 5: Solve for x
x = 126,721,752,438,810.81/13,875,071.55 - Step 6: Final answer
x = 9,133,052.18
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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.