Finding the Fourth Proportional to 10,392,341.70, 15,588,512.55 and 4,723,637.70
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Solution
The fourth proportional to 10,392,341.70, 15,588,512.55 and 4,723,637.70 is: 7,085,456.55
Step by Step Solution
- Step 1: Write the proportion equation
10,392,341.70 : 15,588,512.55 = 4,723,637.70 : x - Step 2: Convert to fraction form
10,392,341.70/15,588,512.55 = 4,723,637.70/x - Step 3: Cross multiply
10,392,341.70x = 15,588,512.55 × 4,723,637.70 - Step 4: Simplify right side
10,392,341.70x = 73,634,485,568,103.14 - Step 5: Solve for x
x = 73,634,485,568,103.14/10,392,341.70 - Step 6: Final answer
x = 7,085,456.55
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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.