Finding the Fourth Proportional to 7,479,463.65, 11,219,531.53 and 2,291,693.12
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Solution
The fourth proportional to 7,479,463.65, 11,219,531.53 and 2,291,693.12 is: 3,437,642.65
Step by Step Solution
- Step 1: Write the proportion equation
7,479,463.65 : 11,219,531.53 = 2,291,693.12 : x - Step 2: Convert to fraction form
7,479,463.65/11,219,531.53 = 2,291,693.12/x - Step 3: Cross multiply
7,479,463.65x = 11,219,531.53 × 2,291,693.12 - Step 4: Simplify right side
7,479,463.65x = 25,711,723,216,924.07 - Step 5: Solve for x
x = 25,711,723,216,924.07/7,479,463.65 - Step 6: Final answer
x = 3,437,642.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.