Finding the Fourth Proportional to 26,354,450.76, 39,557,187.08 and 12,717,178.96
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Solution
The fourth proportional to 26,354,450.76, 39,557,187.08 and 12,717,178.96 is: 19,088,078.59
Step by Step Solution
- Step 1: Write the proportion equation
26,354,450.76 : 39,557,187.08 = 12,717,178.96 : x - Step 2: Convert to fraction form
26,354,450.76/39,557,187.08 = 12,717,178.96/x - Step 3: Cross multiply
26,354,450.76x = 39,557,187.08 × 12,717,178.96 - Step 4: Simplify right side
26,354,450.76x = 503,055,827,250,559.88 - Step 5: Solve for x
x = 503,055,827,250,559.88/26,354,450.76 - Step 6: Final answer
x = 19,088,078.59
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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.