Finding the Fourth Proportional to 7,171,468.13, 9,896,626.02 and 3,952,204.13
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Solution
The fourth proportional to 7,171,468.13, 9,896,626.02 and 3,952,204.13 is: 5,454,041.70
Step by Step Solution
- Step 1: Write the proportion equation
7,171,468.13 : 9,896,626.02 = 3,952,204.13 : x - Step 2: Convert to fraction form
7,171,468.13/9,896,626.02 = 3,952,204.13/x - Step 3: Cross multiply
7,171,468.13x = 9,896,626.02 × 3,952,204.13 - Step 4: Simplify right side
7,171,468.13x = 39,113,486,179,826.33 - Step 5: Solve for x
x = 39,113,486,179,826.33/7,171,468.13 - Step 6: Final answer
x = 5,454,041.70
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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.