Finding the Fourth Proportional to 20,005,565.67, 27,607,708.64 and 10,838,208.42
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Solution
The fourth proportional to 20,005,565.67, 27,607,708.64 and 10,838,208.42 is: 14,956,742.80
Step by Step Solution
- Step 1: Write the proportion equation
20,005,565.67 : 27,607,708.64 = 10,838,208.42 : x - Step 2: Convert to fraction form
20,005,565.67/27,607,708.64 = 10,838,208.42/x - Step 3: Cross multiply
20,005,565.67x = 27,607,708.64 × 10,838,208.42 - Step 4: Simplify right side
20,005,565.67x = 299,218,100,238,954.75 - Step 5: Solve for x
x = 299,218,100,238,954.75/20,005,565.67 - Step 6: Final answer
x = 14,956,742.80
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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.