Finding the Fourth Proportional to 13,301,758.40, 19,958,512.80 and 6,474,545.60
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Solution
The fourth proportional to 13,301,758.40, 19,958,512.80 and 6,474,545.60 is: 9,714,678.12
Step by Step Solution
- Step 1: Write the proportion equation
13,301,758.40 : 19,958,512.80 = 6,474,545.60 : x - Step 2: Convert to fraction form
13,301,758.40/19,958,512.80 = 6,474,545.60/x - Step 3: Cross multiply
13,301,758.40x = 19,958,512.80 × 6,474,545.60 - Step 4: Simplify right side
13,301,758.40x = 129,222,301,231,783.67 - Step 5: Solve for x
x = 129,222,301,231,783.67/13,301,758.40 - Step 6: Final answer
x = 9,714,678.12
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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.