Finding the Fourth Proportional to 39,651,117.36, 54,719,485.10 and 22,248,749.58
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Solution
The fourth proportional to 39,651,117.36, 54,719,485.10 and 22,248,749.58 is: 30,703,803.63
Step by Step Solution
- Step 1: Write the proportion equation
39,651,117.36 : 54,719,485.10 = 22,248,749.58 : x - Step 2: Convert to fraction form
39,651,117.36/54,719,485.10 = 22,248,749.58/x - Step 3: Cross multiply
39,651,117.36x = 54,719,485.10 × 22,248,749.58 - Step 4: Simplify right side
39,651,117.36x = 1,217,440,121,136,441.25 - Step 5: Solve for x
x = 1,217,440,121,136,441.25/39,651,117.36 - Step 6: Final answer
x = 30,703,803.63
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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.