Finding the Fourth Proportional to 64,410,530.40, 96,628,237.20 and 18,973,807.20
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Solution
The fourth proportional to 64,410,530.40, 96,628,237.20 and 18,973,807.20 is: 28,464,375.80
Step by Step Solution
- Step 1: Write the proportion equation
64,410,530.40 : 96,628,237.20 = 18,973,807.20 : x - Step 2: Convert to fraction form
64,410,530.40/96,628,237.20 = 18,973,807.20/x - Step 3: Cross multiply
64,410,530.40x = 96,628,237.20 × 18,973,807.20 - Step 4: Simplify right side
64,410,530.40x = 1,833,405,542,708,667.75 - Step 5: Solve for x
x = 1,833,405,542,708,667.75/64,410,530.40 - Step 6: Final answer
x = 28,464,375.80
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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.