Finding the Fourth Proportional to 45,729,420.56, 68,607,605.44 and 18,421,660.96
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Solution
The fourth proportional to 45,729,420.56, 68,607,605.44 and 18,421,660.96 is: 27,637,919.55
Step by Step Solution
- Step 1: Write the proportion equation
45,729,420.56 : 68,607,605.44 = 18,421,660.96 : x - Step 2: Convert to fraction form
45,729,420.56/68,607,605.44 = 18,421,660.96/x - Step 3: Cross multiply
45,729,420.56x = 68,607,605.44 × 18,421,660.96 - Step 4: Simplify right side
45,729,420.56x = 1,263,866,046,693,131.75 - Step 5: Solve for x
x = 1,263,866,046,693,131.75/45,729,420.56 - Step 6: Final answer
x = 27,637,919.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.