Finding the Fourth Proportional to 7,425,531.90, 11,135,498.40 and 3,107,881.32
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Solution
The fourth proportional to 7,425,531.90, 11,135,498.40 and 3,107,881.32 is: 4,660,650.29
Step by Step Solution
- Step 1: Write the proportion equation
7,425,531.90 : 11,135,498.40 = 3,107,881.32 : x - Step 2: Convert to fraction form
7,425,531.90/11,135,498.40 = 3,107,881.32/x - Step 3: Cross multiply
7,425,531.90x = 11,135,498.40 × 3,107,881.32 - Step 4: Simplify right side
7,425,531.90x = 34,607,807,424,491.77 - Step 5: Solve for x
x = 34,607,807,424,491.77/7,425,531.90 - Step 6: Final answer
x = 4,660,650.29
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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.