Finding the Fourth Proportional to 38,266,368.22, 52,805,312.56 and 21,744,199.68
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Solution
The fourth proportional to 38,266,368.22, 52,805,312.56 and 21,744,199.68 is: 30,005,702.49
Step by Step Solution
- Step 1: Write the proportion equation
38,266,368.22 : 52,805,312.56 = 21,744,199.68 : x - Step 2: Convert to fraction form
38,266,368.22/52,805,312.56 = 21,744,199.68/x - Step 3: Cross multiply
38,266,368.22x = 52,805,312.56 × 21,744,199.68 - Step 4: Simplify right side
38,266,368.22x = 1,148,209,260,176,301.25 - Step 5: Solve for x
x = 1,148,209,260,176,301.25/38,266,368.22 - Step 6: Final answer
x = 30,005,702.49
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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.