Finding the Fourth Proportional to 40,638,700.98, 56,081,554.18 and 22,053,837.08
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Solution
The fourth proportional to 40,638,700.98, 56,081,554.18 and 22,053,837.08 is: 30,434,374.85
Step by Step Solution
- Step 1: Write the proportion equation
40,638,700.98 : 56,081,554.18 = 22,053,837.08 : x - Step 2: Convert to fraction form
40,638,700.98/56,081,554.18 = 22,053,837.08/x - Step 3: Cross multiply
40,638,700.98x = 56,081,554.18 × 22,053,837.08 - Step 4: Simplify right side
40,638,700.98x = 1,236,813,459,219,116.75 - Step 5: Solve for x
x = 1,236,813,459,219,116.75/40,638,700.98 - Step 6: Final answer
x = 30,434,374.85
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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.