Finding the Fourth Proportional to 28,656,284.01, 39,545,503.49 and 15,603,511.67
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Solution
The fourth proportional to 28,656,284.01, 39,545,503.49 and 15,603,511.67 is: 21,532,754.39
Step by Step Solution
- Step 1: Write the proportion equation
28,656,284.01 : 39,545,503.49 = 15,603,511.67 : x - Step 2: Convert to fraction form
28,656,284.01/39,545,503.49 = 15,603,511.67/x - Step 3: Cross multiply
28,656,284.01x = 39,545,503.49 × 15,603,511.67 - Step 4: Simplify right side
28,656,284.01x = 617,048,725,414,261 - Step 5: Solve for x
x = 617,048,725,414,261/28,656,284.01 - Step 6: Final answer
x = 21,532,754.39
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1.5x scale
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.