Finding the Fourth Proportional to 26,176,987.41, 39,191,659.19 and 13,853,036.67
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Solution
The fourth proportional to 26,176,987.41, 39,191,659.19 and 13,853,036.67 is: 20,740,487.95
Step by Step Solution
- Step 1: Write the proportion equation
26,176,987.41 : 39,191,659.19 = 13,853,036.67 : x - Step 2: Convert to fraction form
26,176,987.41/39,191,659.19 = 13,853,036.67/x - Step 3: Cross multiply
26,176,987.41x = 39,191,659.19 × 13,853,036.67 - Step 4: Simplify right side
26,176,987.41x = 542,923,491,917,212.44 - Step 5: Solve for x
x = 542,923,491,917,212.44/26,176,987.41 - Step 6: Final answer
x = 20,740,487.95
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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.