Finding the Fourth Proportional to 19,186,177.01, 28,776,174.66 and 5,353,493.59
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Solution
The fourth proportional to 19,186,177.01, 28,776,174.66 and 5,353,493.59 is: 8,029,377.95
Step by Step Solution
- Step 1: Write the proportion equation
19,186,177.01 : 28,776,174.66 = 5,353,493.59 : x - Step 2: Convert to fraction form
19,186,177.01/28,776,174.66 = 5,353,493.59/x - Step 3: Cross multiply
19,186,177.01x = 28,776,174.66 × 5,353,493.59 - Step 4: Simplify right side
19,186,177.01x = 154,053,066,515,090 - Step 5: Solve for x
x = 154,053,066,515,090/19,186,177.01 - Step 6: Final answer
x = 8,029,377.95
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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.