Finding the Fourth Proportional to 14,039,316.51, 19,372,475.61 and 8,235,980.79
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Solution
The fourth proportional to 14,039,316.51, 19,372,475.61 and 8,235,980.79 is: 11,364,608.59
Step by Step Solution
- Step 1: Write the proportion equation
14,039,316.51 : 19,372,475.61 = 8,235,980.79 : x - Step 2: Convert to fraction form
14,039,316.51/19,372,475.61 = 8,235,980.79/x - Step 3: Cross multiply
14,039,316.51x = 19,372,475.61 × 8,235,980.79 - Step 4: Simplify right side
14,039,316.51x = 159,551,336,978,703.53 - Step 5: Solve for x
x = 159,551,336,978,703.53/14,039,316.51 - Step 6: Final answer
x = 11,364,608.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.