Finding the Fourth Proportional to 12,732,704.24, 17,571,355.80 and 6,931,652.72
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Solution
The fourth proportional to 12,732,704.24, 17,571,355.80 and 6,931,652.72 is: 9,565,802.67
Step by Step Solution
- Step 1: Write the proportion equation
12,732,704.24 : 17,571,355.80 = 6,931,652.72 : x - Step 2: Convert to fraction form
12,732,704.24/17,571,355.80 = 6,931,652.72/x - Step 3: Cross multiply
12,732,704.24x = 17,571,355.80 × 6,931,652.72 - Step 4: Simplify right side
12,732,704.24x = 121,798,536,225,157.78 - Step 5: Solve for x
x = 121,798,536,225,157.78/12,732,704.24 - Step 6: Final answer
x = 9,565,802.67
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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.