Finding the Fourth Proportional to 7,947,424.43, 11,905,175.08 and 3,623,526.80
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Solution
The fourth proportional to 7,947,424.43, 11,905,175.08 and 3,623,526.80 is: 5,428,012.74
Step by Step Solution
- Step 1: Write the proportion equation
7,947,424.43 : 11,905,175.08 = 3,623,526.80 : x - Step 2: Convert to fraction form
7,947,424.43/11,905,175.08 = 3,623,526.80/x - Step 3: Cross multiply
7,947,424.43x = 11,905,175.08 × 3,623,526.80 - Step 4: Simplify right side
7,947,424.43x = 43,138,721,024,480.80 - Step 5: Solve for x
x = 43,138,721,024,480.80/7,947,424.43 - Step 6: Final answer
x = 5,428,012.74
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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.