Finding the Fourth Proportional to 15,502,253.68, 23,239,928.40 and 7,819,485.18
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Solution
The fourth proportional to 15,502,253.68, 23,239,928.40 and 7,819,485.18 is: 11,722,442.39
Step by Step Solution
- Step 1: Write the proportion equation
15,502,253.68 : 23,239,928.40 = 7,819,485.18 : x - Step 2: Convert to fraction form
15,502,253.68/23,239,928.40 = 7,819,485.18/x - Step 3: Cross multiply
15,502,253.68x = 23,239,928.40 × 7,819,485.18 - Step 4: Simplify right side
15,502,253.68x = 181,724,275,708,061.09 - Step 5: Solve for x
x = 181,724,275,708,061.09/15,502,253.68 - Step 6: Final answer
x = 11,722,442.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.