Finding the Fourth Proportional to 7,661,463.36, 10,572,891.65 and 4,223,827.41
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Solution
The fourth proportional to 7,661,463.36, 10,572,891.65 and 4,223,827.41 is: 5,828,921.64
Step by Step Solution
- Step 1: Write the proportion equation
7,661,463.36 : 10,572,891.65 = 4,223,827.41 : x - Step 2: Convert to fraction form
7,661,463.36/10,572,891.65 = 4,223,827.41/x - Step 3: Cross multiply
7,661,463.36x = 10,572,891.65 × 4,223,827.41 - Step 4: Simplify right side
7,661,463.36x = 44,658,069,554,230.13 - Step 5: Solve for x
x = 44,658,069,554,230.13/7,661,463.36 - Step 6: Final answer
x = 5,828,921.64
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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.