Finding the Fourth Proportional to 52,328,355.48, 78,486,554.07 and 13,992,859.08
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Solution
The fourth proportional to 52,328,355.48, 78,486,554.07 and 13,992,859.08 is: 20,987,689.77
Step by Step Solution
- Step 1: Write the proportion equation
52,328,355.48 : 78,486,554.07 = 13,992,859.08 : x - Step 2: Convert to fraction form
52,328,355.48/78,486,554.07 = 13,992,859.08/x - Step 3: Cross multiply
52,328,355.48x = 78,486,554.07 × 13,992,859.08 - Step 4: Simplify right side
52,328,355.48x = 1,098,251,290,776,310.38 - Step 5: Solve for x
x = 1,098,251,290,776,310.38/52,328,355.48 - Step 6: Final answer
x = 20,987,689.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.