Finding the Fourth Proportional to 38,473,296.09, 53,092,120.08 and 21,953,120.50
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Solution
The fourth proportional to 38,473,296.09, 53,092,120.08 and 21,953,120.50 is: 30,294,719.41
Step by Step Solution
- Step 1: Write the proportion equation
38,473,296.09 : 53,092,120.08 = 21,953,120.50 : x - Step 2: Convert to fraction form
38,473,296.09/53,092,120.08 = 21,953,120.50/x - Step 3: Cross multiply
38,473,296.09x = 53,092,120.08 × 21,953,120.50 - Step 4: Simplify right side
38,473,296.09x = 1,165,537,709,716,709.50 - Step 5: Solve for x
x = 1,165,537,709,716,709.50/38,473,296.09 - Step 6: Final answer
x = 30,294,719.41
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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.