Finding the Fourth Proportional to 18,321,775.60, 27,482,663.40 and 6,354,511.60
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Solution
The fourth proportional to 18,321,775.60, 27,482,663.40 and 6,354,511.60 is: 9,531,767.40
Step by Step Solution
- Step 1: Write the proportion equation
18,321,775.60 : 27,482,663.40 = 6,354,511.60 : x - Step 2: Convert to fraction form
18,321,775.60/27,482,663.40 = 6,354,511.60/x - Step 3: Cross multiply
18,321,775.60x = 27,482,663.40 × 6,354,511.60 - Step 4: Simplify right side
18,321,775.60x = 174,638,903,374,195.41 - Step 5: Solve for x
x = 174,638,903,374,195.41/18,321,775.60 - Step 6: Final answer
x = 9,531,767.40
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1.5x scale
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.