Finding the Fourth Proportional to 21,830,403.60, 32,745,702.60 and 5,655,205.80
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Solution
The fourth proportional to 21,830,403.60, 32,745,702.60 and 5,655,205.80 is: 8,482,833.88
Step by Step Solution
- Step 1: Write the proportion equation
21,830,403.60 : 32,745,702.60 = 5,655,205.80 : x - Step 2: Convert to fraction form
21,830,403.60/32,745,702.60 = 5,655,205.80/x - Step 3: Cross multiply
21,830,403.60x = 32,745,702.60 × 5,655,205.80 - Step 4: Simplify right side
21,830,403.60x = 185,183,687,268,595.09 - Step 5: Solve for x
x = 185,183,687,268,595.09/21,830,403.60 - Step 6: Final answer
x = 8,482,833.88
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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.