Finding the Fourth Proportional to 18,585,291.56, 27,868,364.91 and 8,341,369.58
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Solution
The fourth proportional to 18,585,291.56, 27,868,364.91 and 8,341,369.58 is: 12,507,758.11
Step by Step Solution
- Step 1: Write the proportion equation
18,585,291.56 : 27,868,364.91 = 8,341,369.58 : x - Step 2: Convert to fraction form
18,585,291.56/27,868,364.91 = 8,341,369.58/x - Step 3: Cross multiply
18,585,291.56x = 27,868,364.91 × 8,341,369.58 - Step 4: Simplify right side
18,585,291.56x = 232,460,331,165,271.62 - Step 5: Solve for x
x = 232,460,331,165,271.62/18,585,291.56 - Step 6: Final answer
x = 12,507,758.11
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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.