Finding the Fourth Proportional to 7,873,847.07, 10,865,908.87 and 4,252,175.07
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Solution
The fourth proportional to 7,873,847.07, 10,865,908.87 and 4,252,175.07 is: 5,868,001.55
Step by Step Solution
- Step 1: Write the proportion equation
7,873,847.07 : 10,865,908.87 = 4,252,175.07 : x - Step 2: Convert to fraction form
7,873,847.07/10,865,908.87 = 4,252,175.07/x - Step 3: Cross multiply
7,873,847.07x = 10,865,908.87 × 4,252,175.07 - Step 4: Simplify right side
7,873,847.07x = 46,203,746,799,275.44 - Step 5: Solve for x
x = 46,203,746,799,275.44/7,873,847.07 - Step 6: Final answer
x = 5,868,001.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.