Finding the Fourth Proportional to 9,009,241.68, 13,515,855.84 and 4,963,646.40
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Solution
The fourth proportional to 9,009,241.68, 13,515,855.84 and 4,963,646.40 is: 7,446,567.82
Step by Step Solution
- Step 1: Write the proportion equation
9,009,241.68 : 13,515,855.84 = 4,963,646.40 : x - Step 2: Convert to fraction form
9,009,241.68/13,515,855.84 = 4,963,646.40/x - Step 3: Cross multiply
9,009,241.68x = 13,515,855.84 × 4,963,646.40 - Step 4: Simplify right side
9,009,241.68x = 67,087,929,183,134.98 - Step 5: Solve for x
x = 67,087,929,183,134.98/9,009,241.68 - Step 6: Final answer
x = 7,446,567.82
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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.