Finding the Fourth Proportional to 7,869,264.36, 11,804,317.80 and 2,478,334.68
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Solution
The fourth proportional to 7,869,264.36, 11,804,317.80 and 2,478,334.68 is: 3,717,634.69
Step by Step Solution
- Step 1: Write the proportion equation
7,869,264.36 : 11,804,317.80 = 2,478,334.68 : x - Step 2: Convert to fraction form
7,869,264.36/11,804,317.80 = 2,478,334.68/x - Step 3: Cross multiply
7,869,264.36x = 11,804,317.80 × 2,478,334.68 - Step 4: Simplify right side
7,869,264.36x = 29,255,050,177,481.31 - Step 5: Solve for x
x = 29,255,050,177,481.31/7,869,264.36 - Step 6: Final answer
x = 3,717,634.69
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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.