Finding the Fourth Proportional to 7,726,087.71, 11,586,454.52 and 3,886,426.08
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Solution
The fourth proportional to 7,726,087.71, 11,586,454.52 and 3,886,426.08 is: 5,828,292.49
Step by Step Solution
- Step 1: Write the proportion equation
7,726,087.71 : 11,586,454.52 = 3,886,426.08 : x - Step 2: Convert to fraction form
7,726,087.71/11,586,454.52 = 3,886,426.08/x - Step 3: Cross multiply
7,726,087.71x = 11,586,454.52 × 3,886,426.08 - Step 4: Simplify right side
7,726,087.71x = 45,029,899,001,829.76 - Step 5: Solve for x
x = 45,029,899,001,829.76/7,726,087.71 - Step 6: Final answer
x = 5,828,292.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.