Finding the Fourth Proportional to 15,764,499.74, 21,754,513.66 and 9,242,472.08
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Solution
The fourth proportional to 15,764,499.74, 21,754,513.66 and 9,242,472.08 is: 12,754,320.68
Step by Step Solution
- Step 1: Write the proportion equation
15,764,499.74 : 21,754,513.66 = 9,242,472.08 : x - Step 2: Convert to fraction form
15,764,499.74/21,754,513.66 = 9,242,472.08/x - Step 3: Cross multiply
15,764,499.74x = 21,754,513.66 × 9,242,472.08 - Step 4: Simplify right side
15,764,499.74x = 201,065,485,116,528.62 - Step 5: Solve for x
x = 201,065,485,116,528.62/15,764,499.74 - Step 6: Final answer
x = 12,754,320.68
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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.