Finding the Fourth Proportional to 25,135,255.04, 34,684,521.60 and 14,121,140.80
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Solution
The fourth proportional to 25,135,255.04, 34,684,521.60 and 14,121,140.80 is: 19,485,977.46
Step by Step Solution
- Step 1: Write the proportion equation
25,135,255.04 : 34,684,521.60 = 14,121,140.80 : x - Step 2: Convert to fraction form
25,135,255.04/34,684,521.60 = 14,121,140.80/x - Step 3: Cross multiply
25,135,255.04x = 34,684,521.60 × 14,121,140.80 - Step 4: Simplify right side
25,135,255.04x = 489,785,013,094,241.31 - Step 5: Solve for x
x = 489,785,013,094,241.31/25,135,255.04 - Step 6: Final answer
x = 19,485,977.46
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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.