Finding the Fourth Proportional to 12,827,064.46, 17,701,130.18 and 6,946,650.99
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Solution
The fourth proportional to 12,827,064.46, 17,701,130.18 and 6,946,650.99 is: 9,586,259.88
Step by Step Solution
- Step 1: Write the proportion equation
12,827,064.46 : 17,701,130.18 = 6,946,650.99 : x - Step 2: Convert to fraction form
12,827,064.46/17,701,130.18 = 6,946,650.99/x - Step 3: Cross multiply
12,827,064.46x = 17,701,130.18 × 6,946,650.99 - Step 4: Simplify right side
12,827,064.46x = 122,963,573,441,473.73 - Step 5: Solve for x
x = 122,963,573,441,473.73/12,827,064.46 - Step 6: Final answer
x = 9,586,259.88
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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.