Finding the Fourth Proportional to 10,103,598.99, 13,942,980.36 and 5,752,687.23
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Solution
The fourth proportional to 10,103,598.99, 13,942,980.36 and 5,752,687.23 is: 7,938,716.21
Step by Step Solution
- Step 1: Write the proportion equation
10,103,598.99 : 13,942,980.36 = 5,752,687.23 : x - Step 2: Convert to fraction form
10,103,598.99/13,942,980.36 = 5,752,687.23/x - Step 3: Cross multiply
10,103,598.99x = 13,942,980.36 × 5,752,687.23 - Step 4: Simplify right side
10,103,598.99x = 80,209,605,065,112.81 - Step 5: Solve for x
x = 80,209,605,065,112.81/10,103,598.99 - Step 6: Final answer
x = 7,938,716.21
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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.