Finding the Fourth Proportional to 7,032,756.84, 10,547,035.74 and 2,989,227.12
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Solution
The fourth proportional to 7,032,756.84, 10,547,035.74 and 2,989,227.12 is: 4,482,948.29
Step by Step Solution
- Step 1: Write the proportion equation
7,032,756.84 : 10,547,035.74 = 2,989,227.12 : x - Step 2: Convert to fraction form
7,032,756.84/10,547,035.74 = 2,989,227.12/x - Step 3: Cross multiply
7,032,756.84x = 10,547,035.74 × 2,989,227.12 - Step 4: Simplify right side
7,032,756.84x = 31,527,485,269,617.27 - Step 5: Solve for x
x = 31,527,485,269,617.27/7,032,756.84 - Step 6: Final answer
x = 4,482,948.29
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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.