Finding the Fourth Proportional to 18,895,702.68, 26,076,924.28 and 10,638,602.18
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Solution
The fourth proportional to 18,895,702.68, 26,076,924.28 and 10,638,602.18 is: 14,681,752.15
Step by Step Solution
- Step 1: Write the proportion equation
18,895,702.68 : 26,076,924.28 = 10,638,602.18 : x - Step 2: Convert to fraction form
18,895,702.68/26,076,924.28 = 10,638,602.18/x - Step 3: Cross multiply
18,895,702.68x = 26,076,924.28 × 10,638,602.18 - Step 4: Simplify right side
18,895,702.68x = 277,422,023,492,902.94 - Step 5: Solve for x
x = 277,422,023,492,902.94/18,895,702.68 - Step 6: Final answer
x = 14,681,752.15
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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.