Finding the Fourth Proportional to 26,387,422.12, 36,414,617.16 and 14,785,068.79
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Solution
The fourth proportional to 26,387,422.12, 36,414,617.16 and 14,785,068.79 is: 20,403,380.72
Step by Step Solution
- Step 1: Write the proportion equation
26,387,422.12 : 36,414,617.16 = 14,785,068.79 : x - Step 2: Convert to fraction form
26,387,422.12/36,414,617.16 = 14,785,068.79/x - Step 3: Cross multiply
26,387,422.12x = 36,414,617.16 × 14,785,068.79 - Step 4: Simplify right side
26,387,422.12x = 538,392,619,672,114.38 - Step 5: Solve for x
x = 538,392,619,672,114.38/26,387,422.12 - Step 6: Final answer
x = 20,403,380.72
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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.