Finding the Fourth Proportional to 21,977,381.36, 32,966,350.36 and 8,326,860.93
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Solution
The fourth proportional to 21,977,381.36, 32,966,350.36 and 8,326,860.93 is: 12,490,396.84
Step by Step Solution
- Step 1: Write the proportion equation
21,977,381.36 : 32,966,350.36 = 8,326,860.93 : x - Step 2: Convert to fraction form
21,977,381.36/32,966,350.36 = 8,326,860.93/x - Step 3: Cross multiply
21,977,381.36x = 32,966,350.36 × 8,326,860.93 - Step 4: Simplify right side
21,977,381.36x = 274,506,214,796,558.28 - Step 5: Solve for x
x = 274,506,214,796,558.28/21,977,381.36 - Step 6: Final answer
x = 12,490,396.84
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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.