Finding the Fourth Proportional to 18,996,675.68, 26,215,434.86 and 10,294,848.24
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Solution
The fourth proportional to 18,996,675.68, 26,215,434.86 and 10,294,848.24 is: 14,206,902.72
Step by Step Solution
- Step 1: Write the proportion equation
18,996,675.68 : 26,215,434.86 = 10,294,848.24 : x - Step 2: Convert to fraction form
18,996,675.68/26,215,434.86 = 10,294,848.24/x - Step 3: Cross multiply
18,996,675.68x = 26,215,434.86 × 10,294,848.24 - Step 4: Simplify right side
18,996,675.68x = 269,883,923,377,831.41 - Step 5: Solve for x
x = 269,883,923,377,831.41/18,996,675.68 - Step 6: Final answer
x = 14,206,902.72
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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.