Finding the Fourth Proportional to 14,653,216.17, 20,222,679.20 and 8,128,946.84
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Solution
The fourth proportional to 14,653,216.17, 20,222,679.20 and 8,128,946.84 is: 11,218,635.02
Step by Step Solution
- Step 1: Write the proportion equation
14,653,216.17 : 20,222,679.20 = 8,128,946.84 : x - Step 2: Convert to fraction form
14,653,216.17/20,222,679.20 = 8,128,946.84/x - Step 3: Cross multiply
14,653,216.17x = 20,222,679.20 × 8,128,946.84 - Step 4: Simplify right side
14,653,216.17x = 164,389,084,037,415.59 - Step 5: Solve for x
x = 164,389,084,037,415.59/14,653,216.17 - Step 6: Final answer
x = 11,218,635.02
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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.