Finding the Fourth Proportional to 7,807,268.40, 10,772,744.92 and 4,904,603.65
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Solution
The fourth proportional to 7,807,268.40, 10,772,744.92 and 4,904,603.65 is: 6,767,545.49
Step by Step Solution
- Step 1: Write the proportion equation
7,807,268.40 : 10,772,744.92 = 4,904,603.65 : x - Step 2: Convert to fraction form
7,807,268.40/10,772,744.92 = 4,904,603.65/x - Step 3: Cross multiply
7,807,268.40x = 10,772,744.92 × 4,904,603.65 - Step 4: Simplify right side
7,807,268.40x = 52,836,044,055,150.96 - Step 5: Solve for x
x = 52,836,044,055,150.96/7,807,268.40 - Step 6: Final answer
x = 6,767,545.49
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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.