Finding the Fourth Proportional to 15,812,351.66, 21,820,891.58 and 8,842,949.94
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Solution
The fourth proportional to 15,812,351.66, 21,820,891.58 and 8,842,949.94 is: 12,203,184.96
Step by Step Solution
- Step 1: Write the proportion equation
15,812,351.66 : 21,820,891.58 = 8,842,949.94 : x - Step 2: Convert to fraction form
15,812,351.66/21,820,891.58 = 8,842,949.94/x - Step 3: Cross multiply
15,812,351.66x = 21,820,891.58 × 8,842,949.94 - Step 4: Simplify right side
15,812,351.66x = 192,961,051,888,107.47 - Step 5: Solve for x
x = 192,961,051,888,107.47/15,812,351.66 - Step 6: Final answer
x = 12,203,184.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.