Finding the Fourth Proportional to 18,714,349.15, 28,064,437.84 and 7,348,597.63
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Solution
The fourth proportional to 18,714,349.15, 28,064,437.84 and 7,348,597.63 is: 11,020,114.02
Step by Step Solution
- Step 1: Write the proportion equation
18,714,349.15 : 28,064,437.84 = 7,348,597.63 : x - Step 2: Convert to fraction form
18,714,349.15/28,064,437.84 = 7,348,597.63/x - Step 3: Cross multiply
18,714,349.15x = 28,064,437.84 × 7,348,597.63 - Step 4: Simplify right side
18,714,349.15x = 206,234,261,398,306.31 - Step 5: Solve for x
x = 206,234,261,398,306.31/18,714,349.15 - Step 6: Final answer
x = 11,020,114.02
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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.