Finding the Fourth Proportional to 15,157,309.62, 22,737,494.79 and 4,921,741.38
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Solution
The fourth proportional to 15,157,309.62, 22,737,494.79 and 4,921,741.38 is: 7,383,108.99
Step by Step Solution
- Step 1: Write the proportion equation
15,157,309.62 : 22,737,494.79 = 4,921,741.38 : x - Step 2: Convert to fraction form
15,157,309.62/22,737,494.79 = 4,921,741.38/x - Step 3: Cross multiply
15,157,309.62x = 22,737,494.79 × 4,921,741.38 - Step 4: Simplify right side
15,157,309.62x = 111,908,068,985,477.41 - Step 5: Solve for x
x = 111,908,068,985,477.41/15,157,309.62 - Step 6: Final answer
x = 7,383,108.99
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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.