Finding the Fourth Proportional to 7,864,378.40, 11,796,987.99 and 2,473,449.20
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Solution
The fourth proportional to 7,864,378.40, 11,796,987.99 and 2,473,449.20 is: 3,710,306.02
Step by Step Solution
- Step 1: Write the proportion equation
7,864,378.40 : 11,796,987.99 = 2,473,449.20 : x - Step 2: Convert to fraction form
7,864,378.40/11,796,987.99 = 2,473,449.20/x - Step 3: Cross multiply
7,864,378.40x = 11,796,987.99 × 2,473,449.20 - Step 4: Simplify right side
7,864,378.40x = 29,179,250,506,275.11 - Step 5: Solve for x
x = 29,179,250,506,275.11/7,864,378.40 - Step 6: Final answer
x = 3,710,306.02
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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.