Finding the Fourth Proportional to 7,283,893.51, 10,051,737.99 and 4,020,679.69
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Solution
The fourth proportional to 7,283,893.51, 10,051,737.99 and 4,020,679.69 is: 5,548,518.63
Step by Step Solution
- Step 1: Write the proportion equation
7,283,893.51 : 10,051,737.99 = 4,020,679.69 : x - Step 2: Convert to fraction form
7,283,893.51/10,051,737.99 = 4,020,679.69/x - Step 3: Cross multiply
7,283,893.51x = 10,051,737.99 × 4,020,679.69 - Step 4: Simplify right side
7,283,893.51x = 40,414,818,779,312.09 - Step 5: Solve for x
x = 40,414,818,779,312.09/7,283,893.51 - Step 6: Final answer
x = 5,548,518.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.