Finding the Fourth Proportional to 32,187,643.40, 44,420,115.97 and 18,439,264.73
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Solution
The fourth proportional to 32,187,643.40, 44,420,115.97 and 18,439,264.73 is: 25,446,854.48
Step by Step Solution
- Step 1: Write the proportion equation
32,187,643.40 : 44,420,115.97 = 18,439,264.73 : x - Step 2: Convert to fraction form
32,187,643.40/44,420,115.97 = 18,439,264.73/x - Step 3: Cross multiply
32,187,643.40x = 44,420,115.97 × 18,439,264.73 - Step 4: Simplify right side
32,187,643.40x = 819,074,277,773,083 - Step 5: Solve for x
x = 819,074,277,773,083/32,187,643.40 - Step 6: Final answer
x = 25,446,854.48
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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.