Finding the Fourth Proportional to 9,988,971.58, 14,983,464.66 and 2,415,944.62
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Solution
The fourth proportional to 9,988,971.58, 14,983,464.66 and 2,415,944.62 is: 3,623,918.69
Step by Step Solution
- Step 1: Write the proportion equation
9,988,971.58 : 14,983,464.66 = 2,415,944.62 : x - Step 2: Convert to fraction form
9,988,971.58/14,983,464.66 = 2,415,944.62/x - Step 3: Cross multiply
9,988,971.58x = 14,983,464.66 × 2,415,944.62 - Step 4: Simplify right side
9,988,971.58x = 36,199,220,834,287.13 - Step 5: Solve for x
x = 36,199,220,834,287.13/9,988,971.58 - Step 6: Final answer
x = 3,623,918.69
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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.