Finding the Fourth Proportional to 26,807,781.82, 40,193,315.10 and 13,651,733.31
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Solution
The fourth proportional to 26,807,781.82, 40,193,315.10 and 13,651,733.31 is: 20,468,251.44
Step by Step Solution
- Step 1: Write the proportion equation
26,807,781.82 : 40,193,315.10 = 13,651,733.31 : x - Step 2: Convert to fraction form
26,807,781.82/40,193,315.10 = 13,651,733.31/x - Step 3: Cross multiply
26,807,781.82x = 40,193,315.10 × 13,651,733.31 - Step 4: Simplify right side
26,807,781.82x = 548,708,418,791,914.94 - Step 5: Solve for x
x = 548,708,418,791,914.94/26,807,781.82 - Step 6: Final answer
x = 20,468,251.44
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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.