Finding the Fourth Proportional to 10,038,539.48, 15,053,159.09 and 8,114,723.06
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Solution
The fourth proportional to 10,038,539.48, 15,053,159.09 and 8,114,723.06 is: 12,168,325.62
Step by Step Solution
- Step 1: Write the proportion equation
10,038,539.48 : 15,053,159.09 = 8,114,723.06 : x - Step 2: Convert to fraction form
10,038,539.48/15,053,159.09 = 8,114,723.06/x - Step 3: Cross multiply
10,038,539.48x = 15,053,159.09 × 8,114,723.06 - Step 4: Simplify right side
10,038,539.48x = 122,152,217,077,632.20 - Step 5: Solve for x
x = 122,152,217,077,632.20/10,038,539.48 - Step 6: Final answer
x = 12,168,325.62
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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.