Finding the Fourth Proportional to 13,979,207.04, 20,962,995.84 and 4,879,360.32
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Solution
The fourth proportional to 13,979,207.04, 20,962,995.84 and 4,879,360.32 is: 7,317,010.89
Step by Step Solution
- Step 1: Write the proportion equation
13,979,207.04 : 20,962,995.84 = 4,879,360.32 : x - Step 2: Convert to fraction form
13,979,207.04/20,962,995.84 = 4,879,360.32/x - Step 3: Cross multiply
13,979,207.04x = 20,962,995.84 × 4,879,360.32 - Step 4: Simplify right side
13,979,207.04x = 102,286,010,090,021.08 - Step 5: Solve for x
x = 102,286,010,090,021.08/13,979,207.04 - Step 6: Final answer
x = 7,317,010.89
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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.