Finding the Fourth Proportional to 48,383,970.80, 66,769,850.25 and 26,653,938.80
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Solution
The fourth proportional to 48,383,970.80, 66,769,850.25 and 26,653,938.80 is: 36,782,419.32
Step by Step Solution
- Step 1: Write the proportion equation
48,383,970.80 : 66,769,850.25 = 26,653,938.80 : x - Step 2: Convert to fraction form
48,383,970.80/66,769,850.25 = 26,653,938.80/x - Step 3: Cross multiply
48,383,970.80x = 66,769,850.25 × 26,653,938.80 - Step 4: Simplify right side
48,383,970.80x = 1,779,679,501,914,815.50 - Step 5: Solve for x
x = 1,779,679,501,914,815.50/48,383,970.80 - Step 6: Final answer
x = 36,782,419.32
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1.5x scale
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.