Finding the Fourth Proportional to 10,433,425.08, 15,650,146.26 and 8,402,143.80
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Solution
The fourth proportional to 10,433,425.08, 15,650,146.26 and 8,402,143.80 is: 12,603,222.66
Step by Step Solution
- Step 1: Write the proportion equation
10,433,425.08 : 15,650,146.26 = 8,402,143.80 : x - Step 2: Convert to fraction form
10,433,425.08/15,650,146.26 = 8,402,143.80/x - Step 3: Cross multiply
10,433,425.08x = 15,650,146.26 × 8,402,143.80 - Step 4: Simplify right side
10,433,425.08x = 131,494,779,367,552.20 - Step 5: Solve for x
x = 131,494,779,367,552.20/10,433,425.08 - Step 6: Final answer
x = 12,603,222.66
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1.5x scale
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.