Finding the Fourth Proportional to 7,378,098.06, 10,181,793.39 and 4,115,124.18
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Solution
The fourth proportional to 7,378,098.06, 10,181,793.39 and 4,115,124.18 is: 5,678,881.45
Step by Step Solution
- Step 1: Write the proportion equation
7,378,098.06 : 10,181,793.39 = 4,115,124.18 : x - Step 2: Convert to fraction form
7,378,098.06/10,181,793.39 = 4,115,124.18/x - Step 3: Cross multiply
7,378,098.06x = 10,181,793.39 × 4,115,124.18 - Step 4: Simplify right side
7,378,098.06x = 41,899,344,174,953.17 - Step 5: Solve for x
x = 41,899,344,174,953.17/7,378,098.06 - Step 6: Final answer
x = 5,678,881.45
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1.5x scale
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.