Finding the Fourth Proportional to 7,758,717.96, 10,707,362.99 and 4,320,959.00
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Solution
The fourth proportional to 7,758,717.96, 10,707,362.99 and 4,320,959.00 is: 5,963,108.42
Step by Step Solution
- Step 1: Write the proportion equation
7,758,717.96 : 10,707,362.99 = 4,320,959.00 : x - Step 2: Convert to fraction form
7,758,717.96/10,707,362.99 = 4,320,959.00/x - Step 3: Cross multiply
7,758,717.96x = 10,707,362.99 × 4,320,959.00 - Step 4: Simplify right side
7,758,717.96x = 46,266,076,418,969.40 - Step 5: Solve for x
x = 46,266,076,418,969.40/7,758,717.96 - Step 6: Final answer
x = 5,963,108.42
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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.