Finding the Fourth Proportional to 10,020,450.24, 15,033,387.24 and 7,145,449.20
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Solution
The fourth proportional to 10,020,450.24, 15,033,387.24 and 7,145,449.20 is: 10,720,107.61
Step by Step Solution
- Step 1: Write the proportion equation
10,020,450.24 : 15,033,387.24 = 7,145,449.20 : x - Step 2: Convert to fraction form
10,020,450.24/15,033,387.24 = 7,145,449.20/x - Step 3: Cross multiply
10,020,450.24x = 15,033,387.24 × 7,145,449.20 - Step 4: Simplify right side
10,020,450.24x = 107,420,304,827,348.22 - Step 5: Solve for x
x = 107,420,304,827,348.22/10,020,450.24 - Step 6: Final answer
x = 10,720,107.61
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1.5x scale
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.