Finding the Fourth Proportional to 11,290,419.04, 15,579,654.06 and 6,394,664.02
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Solution
The fourth proportional to 11,290,419.04, 15,579,654.06 and 6,394,664.02 is: 8,823,999.61
Step by Step Solution
- Step 1: Write the proportion equation
11,290,419.04 : 15,579,654.06 = 6,394,664.02 : x - Step 2: Convert to fraction form
11,290,419.04/15,579,654.06 = 6,394,664.02/x - Step 3: Cross multiply
11,290,419.04x = 15,579,654.06 × 6,394,664.02 - Step 4: Simplify right side
11,290,419.04x = 99,626,653,261,528.92 - Step 5: Solve for x
x = 99,626,653,261,528.92/11,290,419.04 - Step 6: Final answer
x = 8,823,999.61
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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.