Finding the Fourth Proportional to 7,453,392.80, 11,172,117.43 and 3,403,812.38
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Solution
The fourth proportional to 7,453,392.80, 11,172,117.43 and 3,403,812.38 is: 5,102,078.02
Step by Step Solution
- Step 1: Write the proportion equation
7,453,392.80 : 11,172,117.43 = 3,403,812.38 : x - Step 2: Convert to fraction form
7,453,392.80/11,172,117.43 = 3,403,812.38/x - Step 3: Cross multiply
7,453,392.80x = 11,172,117.43 × 3,403,812.38 - Step 4: Simplify right side
7,453,392.80x = 38,027,791,548,295.52 - Step 5: Solve for x
x = 38,027,791,548,295.52/7,453,392.80 - Step 6: Final answer
x = 5,102,078.02
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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.