Finding the Fourth Proportional to 13,913,276.10, 20,860,135.53 and 6,128,496.51
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Solution
The fourth proportional to 13,913,276.10, 20,860,135.53 and 6,128,496.51 is: 9,188,437.49
Step by Step Solution
- Step 1: Write the proportion equation
13,913,276.10 : 20,860,135.53 = 6,128,496.51 : x - Step 2: Convert to fraction form
13,913,276.10/20,860,135.53 = 6,128,496.51/x - Step 3: Cross multiply
13,913,276.10x = 20,860,135.53 × 6,128,496.51 - Step 4: Simplify right side
13,913,276.10x = 127,841,267,793,732 - Step 5: Solve for x
x = 127,841,267,793,732/13,913,276.10 - Step 6: Final answer
x = 9,188,437.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.