Finding the Fourth Proportional to 11,361,679.59, 15,679,504.74 and 6,719,444.04
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Solution
The fourth proportional to 11,361,679.59, 15,679,504.74 and 6,719,444.04 is: 9,273,061.60
Step by Step Solution
- Step 1: Write the proportion equation
11,361,679.59 : 15,679,504.74 = 6,719,444.04 : x - Step 2: Convert to fraction form
11,361,679.59/15,679,504.74 = 6,719,444.04/x - Step 3: Cross multiply
11,361,679.59x = 15,679,504.74 × 6,719,444.04 - Step 4: Simplify right side
11,361,679.59x = 105,357,554,675,344.75 - Step 5: Solve for x
x = 105,357,554,675,344.75/11,361,679.59 - Step 6: Final answer
x = 9,273,061.60
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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.