Finding the Fourth Proportional to 20,248,370.08, 27,955,791.84 and 18,069,165.52
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Solution
The fourth proportional to 20,248,370.08, 27,955,791.84 and 18,069,165.52 is: 24,947,086.01
Step by Step Solution
- Step 1: Write the proportion equation
20,248,370.08 : 27,955,791.84 = 18,069,165.52 : x - Step 2: Convert to fraction form
20,248,370.08/27,955,791.84 = 18,069,165.52/x - Step 3: Cross multiply
20,248,370.08x = 27,955,791.84 × 18,069,165.52 - Step 4: Simplify right side
20,248,370.08x = 505,137,829,999,625.31 - Step 5: Solve for x
x = 505,137,829,999,625.31/20,248,370.08 - Step 6: Final answer
x = 24,947,086.01
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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.