Finding the Fourth Proportional to 38,626,638.09, 57,930,968.49 and 14,376,985.26
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Solution
The fourth proportional to 38,626,638.09, 57,930,968.49 and 14,376,985.26 is: 21,562,132.28
Step by Step Solution
- Step 1: Write the proportion equation
38,626,638.09 : 57,930,968.49 = 14,376,985.26 : x - Step 2: Convert to fraction form
38,626,638.09/57,930,968.49 = 14,376,985.26/x - Step 3: Cross multiply
38,626,638.09x = 57,930,968.49 × 14,376,985.26 - Step 4: Simplify right side
38,626,638.09x = 832,872,680,078,254.50 - Step 5: Solve for x
x = 832,872,680,078,254.50/38,626,638.09 - Step 6: Final answer
x = 21,562,132.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.