Finding the Fourth Proportional to 14,291,632.64, 19,722,213.84 and 7,765,362.08
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Solution
The fourth proportional to 14,291,632.64, 19,722,213.84 and 7,765,362.08 is: 10,716,069.70
Step by Step Solution
- Step 1: Write the proportion equation
14,291,632.64 : 19,722,213.84 = 7,765,362.08 : x - Step 2: Convert to fraction form
14,291,632.64/19,722,213.84 = 7,765,362.08/x - Step 3: Cross multiply
14,291,632.64x = 19,722,213.84 × 7,765,362.08 - Step 4: Simplify right side
14,291,632.64x = 153,150,131,486,787.19 - Step 5: Solve for x
x = 153,150,131,486,787.19/14,291,632.64 - Step 6: Final answer
x = 10,716,069.70
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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.