Finding the Fourth Proportional to 19,441,177.81, 26,828,304.64 and 10,739,163.13
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Solution
The fourth proportional to 19,441,177.81, 26,828,304.64 and 10,739,163.13 is: 14,819,757.47
Step by Step Solution
- Step 1: Write the proportion equation
19,441,177.81 : 26,828,304.64 = 10,739,163.13 : x - Step 2: Convert to fraction form
19,441,177.81/26,828,304.64 = 10,739,163.13/x - Step 3: Cross multiply
19,441,177.81x = 26,828,304.64 × 10,739,163.13 - Step 4: Simplify right side
19,441,177.81x = 288,113,540,030,295.94 - Step 5: Solve for x
x = 288,113,540,030,295.94/19,441,177.81 - Step 6: Final answer
x = 14,819,757.47
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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.