Finding the Fourth Proportional to 7,658,312.90, 10,571,177.86 and 6,841,096.62
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Solution
The fourth proportional to 7,658,312.90, 10,571,177.86 and 6,841,096.62 is: 9,443,130.63
Step by Step Solution
- Step 1: Write the proportion equation
7,658,312.90 : 10,571,177.86 = 6,841,096.62 : x - Step 2: Convert to fraction form
7,658,312.90/10,571,177.86 = 6,841,096.62/x - Step 3: Cross multiply
7,658,312.90x = 10,571,177.86 × 6,841,096.62 - Step 4: Simplify right side
7,658,312.90x = 72,318,449,127,464.83 - Step 5: Solve for x
x = 72,318,449,127,464.83/7,658,312.90 - Step 6: Final answer
x = 9,443,130.63
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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.