Finding the Fourth Proportional to 18,773,439.92, 28,112,526.80 and 15,732,810.08
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Solution
The fourth proportional to 18,773,439.92, 28,112,526.80 and 15,732,810.08 is: 23,559,296.91
Step by Step Solution
- Step 1: Write the proportion equation
18,773,439.92 : 28,112,526.80 = 15,732,810.08 : x - Step 2: Convert to fraction form
18,773,439.92/28,112,526.80 = 15,732,810.08/x - Step 3: Cross multiply
18,773,439.92x = 28,112,526.80 × 15,732,810.08 - Step 4: Simplify right side
18,773,439.92x = 442,289,045,013,310.19 - Step 5: Solve for x
x = 442,289,045,013,310.19/18,773,439.92 - Step 6: Final answer
x = 23,559,296.91
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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.