Finding the Fourth Proportional to 7,742,213.24, 11,612,569.43 and 2,350,911.06
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Solution
The fourth proportional to 7,742,213.24, 11,612,569.43 and 2,350,911.06 is: 3,526,138.73
Step by Step Solution
- Step 1: Write the proportion equation
7,742,213.24 : 11,612,569.43 = 2,350,911.06 : x - Step 2: Convert to fraction form
7,742,213.24/11,612,569.43 = 2,350,911.06/x - Step 3: Cross multiply
7,742,213.24x = 11,612,569.43 × 2,350,911.06 - Step 4: Simplify right side
7,742,213.24x = 27,300,117,913,882.17 - Step 5: Solve for x
x = 27,300,117,913,882.17/7,742,213.24 - Step 6: Final answer
x = 3,526,138.73
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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.