Finding the Fourth Proportional to 7,114,032.42, 9,817,370.61 and 3,850,837.05
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Solution
The fourth proportional to 7,114,032.42, 9,817,370.61 and 3,850,837.05 is: 5,314,158.31
Step by Step Solution
- Step 1: Write the proportion equation
7,114,032.42 : 9,817,370.61 = 3,850,837.05 : x - Step 2: Convert to fraction form
7,114,032.42/9,817,370.61 = 3,850,837.05/x - Step 3: Cross multiply
7,114,032.42x = 9,817,370.61 × 3,850,837.05 - Step 4: Simplify right side
7,114,032.42x = 37,805,094,478,569.09 - Step 5: Solve for x
x = 37,805,094,478,569.09/7,114,032.42 - Step 6: Final answer
x = 5,314,158.31
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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.