Finding the Fourth Proportional to 10,520,758.28, 14,518,503.06 and 5,874,615.08
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Solution
The fourth proportional to 10,520,758.28, 14,518,503.06 and 5,874,615.08 is: 8,106,888.76
Step by Step Solution
- Step 1: Write the proportion equation
10,520,758.28 : 14,518,503.06 = 5,874,615.08 : x - Step 2: Convert to fraction form
10,520,758.28/14,518,503.06 = 5,874,615.08/x - Step 3: Cross multiply
10,520,758.28x = 14,518,503.06 × 5,874,615.08 - Step 4: Simplify right side
10,520,758.28x = 85,290,617,015,302.16 - Step 5: Solve for x
x = 85,290,617,015,302.16/10,520,758.28 - Step 6: Final answer
x = 8,106,888.76
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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.