Finding the Fourth Proportional to 7,742,213.94, 11,612,570.47 and 2,350,911.75
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Solution
The fourth proportional to 7,742,213.94, 11,612,570.47 and 2,350,911.75 is: 3,526,139.76
Step by Step Solution
- Step 1: Write the proportion equation
7,742,213.94 : 11,612,570.47 = 2,350,911.75 : x - Step 2: Convert to fraction form
7,742,213.94/11,612,570.47 = 2,350,911.75/x - Step 3: Cross multiply
7,742,213.94x = 11,612,570.47 × 2,350,911.75 - Step 4: Simplify right side
7,742,213.94x = 27,300,128,381,522.31 - Step 5: Solve for x
x = 27,300,128,381,522.31/7,742,213.94 - Step 6: Final answer
x = 3,526,139.76
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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.