Finding the Fourth Proportional to 13,769,720.70, 19,002,109.44 and 7,574,634
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Solution
The fourth proportional to 13,769,720.70, 19,002,109.44 and 7,574,634 is: 10,452,937.09
Step by Step Solution
- Step 1: Write the proportion equation
13,769,720.70 : 19,002,109.44 = 7,574,634 : x - Step 2: Convert to fraction form
13,769,720.70/19,002,109.44 = 7,574,634/x - Step 3: Cross multiply
13,769,720.70x = 19,002,109.44 × 7,574,634 - Step 4: Simplify right side
13,769,720.70x = 143,934,024,235,944.97 - Step 5: Solve for x
x = 143,934,024,235,944.97/13,769,720.70 - Step 6: Final answer
x = 10,452,937.09
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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.