Finding the Fourth Proportional to 11,864,657.97, 16,374,448.35 and 7,218,772.83
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Solution
The fourth proportional to 11,864,657.97, 16,374,448.35 and 7,218,772.83 is: 9,962,649.00
Step by Step Solution
- Step 1: Write the proportion equation
11,864,657.97 : 16,374,448.35 = 7,218,772.83 : x - Step 2: Convert to fraction form
11,864,657.97/16,374,448.35 = 7,218,772.83/x - Step 3: Cross multiply
11,864,657.97x = 16,374,448.35 × 7,218,772.83 - Step 4: Simplify right side
11,864,657.97x = 118,203,422,855,218.33 - Step 5: Solve for x
x = 118,203,422,855,218.33/11,864,657.97 - Step 6: Final answer
x = 9,962,649.00
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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.