Finding the Fourth Proportional to 23,087,809.63, 31,847,295.31 and 15,247,394.02
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Solution
The fourth proportional to 23,087,809.63, 31,847,295.31 and 15,247,394.02 is: 21,032,235.97
Step by Step Solution
- Step 1: Write the proportion equation
23,087,809.63 : 31,847,295.31 = 15,247,394.02 : x - Step 2: Convert to fraction form
23,087,809.63/31,847,295.31 = 15,247,394.02/x - Step 3: Cross multiply
23,087,809.63x = 31,847,295.31 × 15,247,394.02 - Step 4: Simplify right side
23,087,809.63x = 485,588,260,062,868 - Step 5: Solve for x
x = 485,588,260,062,868/23,087,809.63 - Step 6: Final answer
x = 21,032,235.97
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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.