Finding the Fourth Proportional to 11,006,263.70, 16,503,490.65 and 4,609,288.70
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Solution
The fourth proportional to 11,006,263.70, 16,503,490.65 and 4,609,288.70 is: 6,911,460.15
Step by Step Solution
- Step 1: Write the proportion equation
11,006,263.70 : 16,503,490.65 = 4,609,288.70 : x - Step 2: Convert to fraction form
11,006,263.70/16,503,490.65 = 4,609,288.70/x - Step 3: Cross multiply
11,006,263.70x = 16,503,490.65 × 4,609,288.70 - Step 4: Simplify right side
11,006,263.70x = 76,069,352,963,600.66 - Step 5: Solve for x
x = 76,069,352,963,600.66/11,006,263.70 - Step 6: Final answer
x = 6,911,460.15
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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.