Finding the Fourth Proportional to 38,534,864.23, 57,787,894.95 and 15,498,023.19
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Solution
The fourth proportional to 38,534,864.23, 57,787,894.95 and 15,498,023.19 is: 23,241,242.81
Step by Step Solution
- Step 1: Write the proportion equation
38,534,864.23 : 57,787,894.95 = 15,498,023.19 : x - Step 2: Convert to fraction form
38,534,864.23/57,787,894.95 = 15,498,023.19/x - Step 3: Cross multiply
38,534,864.23x = 57,787,894.95 × 15,498,023.19 - Step 4: Simplify right side
38,534,864.23x = 895,598,136,036,383.88 - Step 5: Solve for x
x = 895,598,136,036,383.88/38,534,864.23 - Step 6: Final answer
x = 23,241,242.81
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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.