Finding the Fourth Proportional to 9,478,249.50, 13,079,944.93 and 5,127,325.09
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Solution
The fourth proportional to 9,478,249.50, 13,079,944.93 and 5,127,325.09 is: 7,075,687.32
Step by Step Solution
- Step 1: Write the proportion equation
9,478,249.50 : 13,079,944.93 = 5,127,325.09 : x - Step 2: Convert to fraction form
9,478,249.50/13,079,944.93 = 5,127,325.09/x - Step 3: Cross multiply
9,478,249.50x = 13,079,944.93 × 5,127,325.09 - Step 4: Simplify right side
9,478,249.50x = 67,065,129,815,407.29 - Step 5: Solve for x
x = 67,065,129,815,407.29/9,478,249.50 - Step 6: Final answer
x = 7,075,687.32
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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.