Finding the Fourth Proportional to 10,305,223.92, 14,220,551.16 and 5,721,544.08
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Solution
The fourth proportional to 10,305,223.92, 14,220,551.16 and 5,721,544.08 is: 7,895,365.59
Step by Step Solution
- Step 1: Write the proportion equation
10,305,223.92 : 14,220,551.16 = 5,721,544.08 : x - Step 2: Convert to fraction form
10,305,223.92/14,220,551.16 = 5,721,544.08/x - Step 3: Cross multiply
10,305,223.92x = 14,220,551.16 × 5,721,544.08 - Step 4: Simplify right side
10,305,223.92x = 81,363,510,303,835.14 - Step 5: Solve for x
x = 81,363,510,303,835.14/10,305,223.92 - Step 6: Final answer
x = 7,895,365.59
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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.