Finding the Fourth Proportional to 11,377,274.76, 15,700,640.58 and 6,220,639.88
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Solution
The fourth proportional to 11,377,274.76, 15,700,640.58 and 6,220,639.88 is: 8,584,483.81
Step by Step Solution
- Step 1: Write the proportion equation
11,377,274.76 : 15,700,640.58 = 6,220,639.88 : x - Step 2: Convert to fraction form
11,377,274.76/15,700,640.58 = 6,220,639.88/x - Step 3: Cross multiply
11,377,274.76x = 15,700,640.58 × 6,220,639.88 - Step 4: Simplify right side
11,377,274.76x = 97,668,030,933,494.33 - Step 5: Solve for x
x = 97,668,030,933,494.33/11,377,274.76 - Step 6: Final answer
x = 8,584,483.81
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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.