Finding the Fourth Proportional to 51,211,619.03, 70,673,715.80 and 28,006,745.99
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Solution
The fourth proportional to 51,211,619.03, 70,673,715.80 and 28,006,745.99 is: 38,650,229.06
Step by Step Solution
- Step 1: Write the proportion equation
51,211,619.03 : 70,673,715.80 = 28,006,745.99 : x - Step 2: Convert to fraction form
51,211,619.03/70,673,715.80 = 28,006,745.99/x - Step 3: Cross multiply
51,211,619.03x = 70,673,715.80 × 28,006,745.99 - Step 4: Simplify right side
51,211,619.03x = 1,979,340,806,086,647.25 - Step 5: Solve for x
x = 1,979,340,806,086,647.25/51,211,619.03 - Step 6: Final answer
x = 38,650,229.06
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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.