Finding the Fourth Proportional to 38,784,129.06, 58,198,827.50 and 21,526,812.74
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Solution
The fourth proportional to 38,784,129.06, 58,198,827.50 and 21,526,812.74 is: 32,302,781.88
Step by Step Solution
- Step 1: Write the proportion equation
38,784,129.06 : 58,198,827.50 = 21,526,812.74 : x - Step 2: Convert to fraction form
38,784,129.06/58,198,827.50 = 21,526,812.74/x - Step 3: Cross multiply
38,784,129.06x = 58,198,827.50 × 21,526,812.74 - Step 4: Simplify right side
38,784,129.06x = 1,252,835,261,280,062.25 - Step 5: Solve for x
x = 1,252,835,261,280,062.25/38,784,129.06 - Step 6: Final answer
x = 32,302,781.88
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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.