Finding the Fourth Proportional to 26,189,359.62, 36,141,326.79 and 15,182,490.75
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Solution
The fourth proportional to 26,189,359.62, 36,141,326.79 and 15,182,490.75 is: 20,951,843.33
Step by Step Solution
- Step 1: Write the proportion equation
26,189,359.62 : 36,141,326.79 = 15,182,490.75 : x - Step 2: Convert to fraction form
26,189,359.62/36,141,326.79 = 15,182,490.75/x - Step 3: Cross multiply
26,189,359.62x = 36,141,326.79 × 15,182,490.75 - Step 4: Simplify right side
26,189,359.62x = 548,715,359,681,902.19 - Step 5: Solve for x
x = 548,715,359,681,902.19/26,189,359.62 - Step 6: Final answer
x = 20,951,843.33
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1.5x scale
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.