Finding the Fourth Proportional to 7,507,449.79, 11,262,060.41 and 5,626,148.65
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Solution
The fourth proportional to 7,507,449.79, 11,262,060.41 and 5,626,148.65 is: 8,439,886.75
Step by Step Solution
- Step 1: Write the proportion equation
7,507,449.79 : 11,262,060.41 = 5,626,148.65 : x - Step 2: Convert to fraction form
7,507,449.79/11,262,060.41 = 5,626,148.65/x - Step 3: Cross multiply
7,507,449.79x = 11,262,060.41 × 5,626,148.65 - Step 4: Simplify right side
7,507,449.79x = 63,362,025,971,939.95 - Step 5: Solve for x
x = 63,362,025,971,939.95/7,507,449.79 - Step 6: Final answer
x = 8,439,886.75
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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.