Finding the Fourth Proportional to 6,967,888.13, 9,615,685.64 and 3,912,167.99
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Solution
The fourth proportional to 6,967,888.13, 9,615,685.64 and 3,912,167.99 is: 5,398,791.83
Step by Step Solution
- Step 1: Write the proportion equation
6,967,888.13 : 9,615,685.64 = 3,912,167.99 : x - Step 2: Convert to fraction form
6,967,888.13/9,615,685.64 = 3,912,167.99/x - Step 3: Cross multiply
6,967,888.13x = 9,615,685.64 × 3,912,167.99 - Step 4: Simplify right side
6,967,888.13x = 37,618,177,495,071.39 - Step 5: Solve for x
x = 37,618,177,495,071.39/6,967,888.13 - Step 6: Final answer
x = 5,398,791.83
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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.