Finding the Fourth Proportional to 19,990,499.97, 29,988,972.08 and 6,157,452.28
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Solution
The fourth proportional to 19,990,499.97, 29,988,972.08 and 6,157,452.28 is: 9,237,170.90
Step by Step Solution
- Step 1: Write the proportion equation
19,990,499.97 : 29,988,972.08 = 6,157,452.28 : x - Step 2: Convert to fraction form
19,990,499.97/29,988,972.08 = 6,157,452.28/x - Step 3: Cross multiply
19,990,499.97x = 29,988,972.08 × 6,157,452.28 - Step 4: Simplify right side
19,990,499.97x = 184,655,664,508,852.34 - Step 5: Solve for x
x = 184,655,664,508,852.34/19,990,499.97 - Step 6: Final answer
x = 9,237,170.90
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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.