Finding the Fourth Proportional to 15,517,462.37, 21,414,762.45 and 8,641,944.44
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Solution
The fourth proportional to 15,517,462.37, 21,414,762.45 and 8,641,944.44 is: 11,926,253.33
Step by Step Solution
- Step 1: Write the proportion equation
15,517,462.37 : 21,414,762.45 = 8,641,944.44 : x - Step 2: Convert to fraction form
15,517,462.37/21,414,762.45 = 8,641,944.44/x - Step 3: Cross multiply
15,517,462.37x = 21,414,762.45 × 8,641,944.44 - Step 4: Simplify right side
15,517,462.37x = 185,065,187,181,624.47 - Step 5: Solve for x
x = 185,065,187,181,624.47/15,517,462.37 - Step 6: Final answer
x = 11,926,253.33
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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.