Finding the Fourth Proportional to 39,790,427.76, 59,669,268.91 and 15,207,434.21
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Solution
The fourth proportional to 39,790,427.76, 59,669,268.91 and 15,207,434.21 is: 22,804,893.85
Step by Step Solution
- Step 1: Write the proportion equation
39,790,427.76 : 59,669,268.91 = 15,207,434.21 : x - Step 2: Convert to fraction form
39,790,427.76/59,669,268.91 = 15,207,434.21/x - Step 3: Cross multiply
39,790,427.76x = 59,669,268.91 × 15,207,434.21 - Step 4: Simplify right side
39,790,427.76x = 907,416,481,418,778 - Step 5: Solve for x
x = 907,416,481,418,778/39,790,427.76 - Step 6: Final answer
x = 22,804,893.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.