Finding the Fourth Proportional to 13,727,365.11, 18,945,444.87 and 7,926,134.40
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Solution
The fourth proportional to 13,727,365.11, 18,945,444.87 and 7,926,134.40 is: 10,939,036.09
Step by Step Solution
- Step 1: Write the proportion equation
13,727,365.11 : 18,945,444.87 = 7,926,134.40 : x - Step 2: Convert to fraction form
13,727,365.11/18,945,444.87 = 7,926,134.40/x - Step 3: Cross multiply
13,727,365.11x = 18,945,444.87 × 7,926,134.40 - Step 4: Simplify right side
13,727,365.11x = 150,164,142,307,410.53 - Step 5: Solve for x
x = 150,164,142,307,410.53/13,727,365.11 - Step 6: Final answer
x = 10,939,036.09
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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.