Finding the Fourth Proportional to 16,536,319.24, 22,822,602.58 and 11,905,432.40
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Solution
The fourth proportional to 16,536,319.24, 22,822,602.58 and 11,905,432.40 is: 16,431,283.67
Step by Step Solution
- Step 1: Write the proportion equation
16,536,319.24 : 22,822,602.58 = 11,905,432.40 : x - Step 2: Convert to fraction form
16,536,319.24/22,822,602.58 = 11,905,432.40/x - Step 3: Cross multiply
16,536,319.24x = 22,822,602.58 × 11,905,432.40 - Step 4: Simplify right side
16,536,319.24x = 271,712,952,208,255.59 - Step 5: Solve for x
x = 271,712,952,208,255.59/16,536,319.24 - Step 6: Final answer
x = 16,431,283.67
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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.