Finding the Fourth Proportional to 39,485,953.76, 54,490,430.19 and 22,082,368.18
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Solution
The fourth proportional to 39,485,953.76, 54,490,430.19 and 22,082,368.18 is: 30,473,564.07
Step by Step Solution
- Step 1: Write the proportion equation
39,485,953.76 : 54,490,430.19 = 22,082,368.18 : x - Step 2: Convert to fraction form
39,485,953.76/54,490,430.19 = 22,082,368.18/x - Step 3: Cross multiply
39,485,953.76x = 54,490,430.19 × 22,082,368.18 - Step 4: Simplify right side
39,485,953.76x = 1,203,277,741,604,544.50 - Step 5: Solve for x
x = 1,203,277,741,604,544.50/39,485,953.76 - Step 6: Final answer
x = 30,473,564.07
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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.