Finding the Fourth Proportional to 17,867,316.97, 26,787,909.35 and 5,729,871.57
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Solution
The fourth proportional to 17,867,316.97, 26,787,909.35 and 5,729,871.57 is: 8,590,617.18
Step by Step Solution
- Step 1: Write the proportion equation
17,867,316.97 : 26,787,909.35 = 5,729,871.57 : x - Step 2: Convert to fraction form
17,867,316.97/26,787,909.35 = 5,729,871.57/x - Step 3: Cross multiply
17,867,316.97x = 26,787,909.35 × 5,729,871.57 - Step 4: Simplify right side
17,867,316.97x = 153,491,280,204,302.19 - Step 5: Solve for x
x = 153,491,280,204,302.19/17,867,316.97 - Step 6: Final answer
x = 8,590,617.18
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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.