Finding the Fourth Proportional to 11,026,901.52, 15,214,894.20 and 6,442,337.16
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Solution
The fourth proportional to 11,026,901.52, 15,214,894.20 and 6,442,337.16 is: 8,889,122.49
Step by Step Solution
- Step 1: Write the proportion equation
11,026,901.52 : 15,214,894.20 = 6,442,337.16 : x - Step 2: Convert to fraction form
11,026,901.52/15,214,894.20 = 6,442,337.16/x - Step 3: Cross multiply
11,026,901.52x = 15,214,894.20 × 6,442,337.16 - Step 4: Simplify right side
11,026,901.52x = 98,019,478,290,128.47 - Step 5: Solve for x
x = 98,019,478,290,128.47/11,026,901.52 - Step 6: Final answer
x = 8,889,122.49
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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.