Finding the Fourth Proportional to 38,415,843.75, 57,623,864.03 and 15,696,741.00
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Solution
The fourth proportional to 38,415,843.75, 57,623,864.03 and 15,696,741.00 is: 23,545,151.70
Step by Step Solution
- Step 1: Write the proportion equation
38,415,843.75 : 57,623,864.03 = 15,696,741.00 : x - Step 2: Convert to fraction form
38,415,843.75/57,623,864.03 = 15,696,741.00/x - Step 3: Cross multiply
38,415,843.75x = 57,623,864.03 × 15,696,741.00 - Step 4: Simplify right side
38,415,843.75x = 904,506,868,849,248.75 - Step 5: Solve for x
x = 904,506,868,849,248.75/38,415,843.75 - Step 6: Final answer
x = 23,545,151.70
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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.