Finding the Fourth Proportional to 28,702,824.30, 43,054,407.72 and 7,137,425.99
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Solution
The fourth proportional to 28,702,824.30, 43,054,407.72 and 7,137,425.99 is: 10,706,181.57
Step by Step Solution
- Step 1: Write the proportion equation
28,702,824.30 : 43,054,407.72 = 7,137,425.99 : x - Step 2: Convert to fraction form
28,702,824.30/43,054,407.72 = 7,137,425.99/x - Step 3: Cross multiply
28,702,824.30x = 43,054,407.72 × 7,137,425.99 - Step 4: Simplify right side
28,702,824.30x = 307,297,648,644,784.62 - Step 5: Solve for x
x = 307,297,648,644,784.62/28,702,824.30 - Step 6: Final answer
x = 10,706,181.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.