Finding the Fourth Proportional to 15,931,364,194.24, 21,985,352,808.68 and 8,794,836,649.06
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Solution
The fourth proportional to 15,931,364,194.24, 21,985,352,808.68 and 8,794,836,649.06 is: 12,136,913,340.68
Step by Step Solution
- Step 1: Write the proportion equation
15,931,364,194.24 : 21,985,352,808.68 = 8,794,836,649.06 : x - Step 2: Convert to fraction form
15,931,364,194.24/21,985,352,808.68 = 8,794,836,649.06/x - Step 3: Cross multiply
15,931,364,194.24x = 21,985,352,808.68 × 8,794,836,649.06 - Step 4: Simplify right side
15,931,364,194.24x = 193,357,586,624,293,076,992 - Step 5: Solve for x
x = 193,357,586,624,293,076,992/15,931,364,194.24 - Step 6: Final answer
x = 12,136,913,340.68
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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.