Finding the Fourth Proportional to 32,689,993.68, 45,112,189.14 and 18,946,929.42
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Solution
The fourth proportional to 32,689,993.68, 45,112,189.14 and 18,946,929.42 is: 26,146,761.36
Step by Step Solution
- Step 1: Write the proportion equation
32,689,993.68 : 45,112,189.14 = 18,946,929.42 : x - Step 2: Convert to fraction form
32,689,993.68/45,112,189.14 = 18,946,929.42/x - Step 3: Cross multiply
32,689,993.68x = 45,112,189.14 × 18,946,929.42 - Step 4: Simplify right side
32,689,993.68x = 854,737,463,617,270.62 - Step 5: Solve for x
x = 854,737,463,617,270.62/32,689,993.68 - Step 6: Final answer
x = 26,146,761.36
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1.5x scale
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.