Finding the Fourth Proportional to 10,125,706.64, 13,973,368.68 and 5,479,389.99
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Solution
The fourth proportional to 10,125,706.64, 13,973,368.68 and 5,479,389.99 is: 7,561,500.57
Step by Step Solution
- Step 1: Write the proportion equation
10,125,706.64 : 13,973,368.68 = 5,479,389.99 : x - Step 2: Convert to fraction form
10,125,706.64/13,973,368.68 = 5,479,389.99/x - Step 3: Cross multiply
10,125,706.64x = 13,973,368.68 × 5,479,389.99 - Step 4: Simplify right side
10,125,706.64x = 76,565,536,471,771.52 - Step 5: Solve for x
x = 76,565,536,471,771.52/10,125,706.64 - Step 6: Final answer
x = 7,561,500.57
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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.