Finding the Fourth Proportional to 14,758,695.79, 20,367,506.67 and 8,563,274.71
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Solution
The fourth proportional to 14,758,695.79, 20,367,506.67 and 8,563,274.71 is: 11,817,612.97
Step by Step Solution
- Step 1: Write the proportion equation
14,758,695.79 : 20,367,506.67 = 8,563,274.71 : x - Step 2: Convert to fraction form
14,758,695.79/20,367,506.67 = 8,563,274.71/x - Step 3: Cross multiply
14,758,695.79x = 20,367,506.67 × 8,563,274.71 - Step 4: Simplify right side
14,758,695.79x = 174,412,554,689,936.28 - Step 5: Solve for x
x = 174,412,554,689,936.28/14,758,695.79 - Step 6: Final answer
x = 11,817,612.97
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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.