Finding the Fourth Proportional to 48,437,687.28, 66,774,553.56 and 38,106,467.76
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Solution
The fourth proportional to 48,437,687.28, 66,774,553.56 and 38,106,467.76 is: 52,532,284.58
Step by Step Solution
- Step 1: Write the proportion equation
48,437,687.28 : 66,774,553.56 = 38,106,467.76 : x - Step 2: Convert to fraction form
48,437,687.28/66,774,553.56 = 38,106,467.76/x - Step 3: Cross multiply
48,437,687.28x = 66,774,553.56 × 38,106,467.76 - Step 4: Simplify right side
48,437,687.28x = 2,544,542,372,422,533 - Step 5: Solve for x
x = 2,544,542,372,422,533/48,437,687.28 - Step 6: Final answer
x = 52,532,284.58
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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.