Finding the Fourth Proportional to 26,447,361.60, 36,498,272.64 and 14,686,827.84
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Solution
The fourth proportional to 26,447,361.60, 36,498,272.64 and 14,686,827.84 is: 20,268,329.78
Step by Step Solution
- Step 1: Write the proportion equation
26,447,361.60 : 36,498,272.64 = 14,686,827.84 : x - Step 2: Convert to fraction form
26,447,361.60/36,498,272.64 = 14,686,827.84/x - Step 3: Cross multiply
26,447,361.60x = 36,498,272.64 × 14,686,827.84 - Step 4: Simplify right side
26,447,361.60x = 536,043,846,721,062.31 - Step 5: Solve for x
x = 536,043,846,721,062.31/26,447,361.60 - Step 6: Final answer
x = 20,268,329.78
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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.