Finding the Fourth Proportional to 26,383,886.13, 36,411,257.60 and 14,785,186.31
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Solution
The fourth proportional to 26,383,886.13, 36,411,257.60 and 14,785,186.31 is: 20,404,394.73
Step by Step Solution
- Step 1: Write the proportion equation
26,383,886.13 : 36,411,257.60 = 14,785,186.31 : x - Step 2: Convert to fraction form
26,383,886.13/36,411,257.60 = 14,785,186.31/x - Step 3: Cross multiply
26,383,886.13x = 36,411,257.60 × 14,785,186.31 - Step 4: Simplify right side
26,383,886.13x = 538,347,227,141,421.19 - Step 5: Solve for x
x = 538,347,227,141,421.19/26,383,886.13 - Step 6: Final answer
x = 20,404,394.73
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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.