Finding the Fourth Proportional to 17,578,545, 26,367,981.66 and 6,220,919.40
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Solution
The fourth proportional to 17,578,545, 26,367,981.66 and 6,220,919.40 is: 9,331,437.20
Step by Step Solution
- Step 1: Write the proportion equation
17,578,545 : 26,367,981.66 = 6,220,919.40 : x - Step 2: Convert to fraction form
17,578,545/26,367,981.66 = 6,220,919.40/x - Step 3: Cross multiply
17,578,545x = 26,367,981.66 × 6,220,919.40 - Step 4: Simplify right side
17,578,545x = 164,033,088,647,538.22 - Step 5: Solve for x
x = 164,033,088,647,538.22/17,578,545 - Step 6: Final answer
x = 9,331,437.20
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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.