Finding the Fourth Proportional to 19,526,775.24, 29,295,041.46 and 13,780,728.12
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Solution
The fourth proportional to 19,526,775.24, 29,295,041.46 and 13,780,728.12 is: 20,674,535.18
Step by Step Solution
- Step 1: Write the proportion equation
19,526,775.24 : 29,295,041.46 = 13,780,728.12 : x - Step 2: Convert to fraction form
19,526,775.24/29,295,041.46 = 13,780,728.12/x - Step 3: Cross multiply
19,526,775.24x = 29,295,041.46 × 13,780,728.12 - Step 4: Simplify right side
19,526,775.24x = 403,707,001,624,387.81 - Step 5: Solve for x
x = 403,707,001,624,387.81/19,526,775.24 - Step 6: Final answer
x = 20,674,535.18
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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.