Finding the Fourth Proportional to 39,020,465.26, 53,844,317.62 and 21,613,558.17
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Solution
The fourth proportional to 39,020,465.26, 53,844,317.62 and 21,613,558.17 is: 29,824,536.52
Step by Step Solution
- Step 1: Write the proportion equation
39,020,465.26 : 53,844,317.62 = 21,613,558.17 : x - Step 2: Convert to fraction form
39,020,465.26/53,844,317.62 = 21,613,558.17/x - Step 3: Cross multiply
39,020,465.26x = 53,844,317.62 × 21,613,558.17 - Step 4: Simplify right side
39,020,465.26x = 1,163,767,291,151,708.25 - Step 5: Solve for x
x = 1,163,767,291,151,708.25/39,020,465.26 - Step 6: Final answer
x = 29,824,536.52
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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.