Finding the Fourth Proportional to 23,681,903.72, 32,681,122.98 and 12,816,884.84
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Solution
The fourth proportional to 23,681,903.72, 32,681,122.98 and 12,816,884.84 is: 17,687,352.95
Step by Step Solution
- Step 1: Write the proportion equation
23,681,903.72 : 32,681,122.98 = 12,816,884.84 : x - Step 2: Convert to fraction form
23,681,903.72/32,681,122.98 = 12,816,884.84/x - Step 3: Cross multiply
23,681,903.72x = 32,681,122.98 × 12,816,884.84 - Step 4: Simplify right side
23,681,903.72x = 418,870,189,676,537.62 - Step 5: Solve for x
x = 418,870,189,676,537.62/23,681,903.72 - Step 6: Final answer
x = 17,687,352.95
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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.