Finding the Fourth Proportional to 11,361,687.54, 15,679,515.74 and 6,719,451.99
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Solution
The fourth proportional to 11,361,687.54, 15,679,515.74 and 6,719,451.99 is: 9,273,072.58
Step by Step Solution
- Step 1: Write the proportion equation
11,361,687.54 : 15,679,515.74 = 6,719,451.99 : x - Step 2: Convert to fraction form
11,361,687.54/15,679,515.74 = 6,719,451.99/x - Step 3: Cross multiply
11,361,687.54x = 15,679,515.74 × 6,719,451.99 - Step 4: Simplify right side
11,361,687.54x = 105,357,753,207,782.06 - Step 5: Solve for x
x = 105,357,753,207,782.06/11,361,687.54 - Step 6: Final answer
x = 9,273,072.58
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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.