Finding the Fourth Proportional to 47,421,219.12, 65,441,351.16 and 25,691,187.12
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Solution
The fourth proportional to 47,421,219.12, 65,441,351.16 and 25,691,187.12 is: 35,453,875.49
Step by Step Solution
- Step 1: Write the proportion equation
47,421,219.12 : 65,441,351.16 = 25,691,187.12 : x - Step 2: Convert to fraction form
47,421,219.12/65,441,351.16 = 25,691,187.12/x - Step 3: Cross multiply
47,421,219.12x = 65,441,351.16 × 25,691,187.12 - Step 4: Simplify right side
47,421,219.12x = 1,681,265,998,037,189 - Step 5: Solve for x
x = 1,681,265,998,037,189/47,421,219.12 - Step 6: Final answer
x = 35,453,875.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.