Finding the Fourth Proportional to 27,706,661.40, 41,563,928.70 and 8,535,419.40
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Solution
The fourth proportional to 27,706,661.40, 41,563,928.70 and 8,535,419.40 is: 12,804,341.82
Step by Step Solution
- Step 1: Write the proportion equation
27,706,661.40 : 41,563,928.70 = 8,535,419.40 : x - Step 2: Convert to fraction form
27,706,661.40/41,563,928.70 = 8,535,419.40/x - Step 3: Cross multiply
27,706,661.40x = 41,563,928.70 × 8,535,419.40 - Step 4: Simplify right side
27,706,661.40x = 354,765,563,366,196.81 - Step 5: Solve for x
x = 354,765,563,366,196.81/27,706,661.40 - Step 6: Final answer
x = 12,804,341.82
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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.