Finding the Fourth Proportional to 15,359,367.18, 21,195,522 and 8,483,701.62
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Solution
The fourth proportional to 15,359,367.18, 21,195,522 and 8,483,701.62 is: 11,707,284.70
Step by Step Solution
- Step 1: Write the proportion equation
15,359,367.18 : 21,195,522 = 8,483,701.62 : x - Step 2: Convert to fraction form
15,359,367.18/21,195,522 = 8,483,701.62/x - Step 3: Cross multiply
15,359,367.18x = 21,195,522 × 8,483,701.62 - Step 4: Simplify right side
15,359,367.18x = 179,816,484,328,145.62 - Step 5: Solve for x
x = 179,816,484,328,145.62/15,359,367.18 - Step 6: Final answer
x = 11,707,284.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.