Finding the Fourth Proportional to 71,235,603.70, 106,853,405.55 and 17,382,915.70
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Solution
The fourth proportional to 71,235,603.70, 106,853,405.55 and 17,382,915.70 is: 26,074,373.55
Step by Step Solution
- Step 1: Write the proportion equation
71,235,603.70 : 106,853,405.55 = 17,382,915.70 : x - Step 2: Convert to fraction form
71,235,603.70/106,853,405.55 = 17,382,915.70/x - Step 3: Cross multiply
71,235,603.70x = 106,853,405.55 × 17,382,915.70 - Step 4: Simplify right side
71,235,603.70x = 1,857,423,740,933,562 - Step 5: Solve for x
x = 1,857,423,740,933,562/71,235,603.70 - Step 6: Final answer
x = 26,074,373.55
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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.