Finding the Fourth Proportional to 14,273,686.95, 19,697,638.77 and 7,747,316.07
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Solution
The fourth proportional to 14,273,686.95, 19,697,638.77 and 7,747,316.07 is: 10,691,269.46
Step by Step Solution
- Step 1: Write the proportion equation
14,273,686.95 : 19,697,638.77 = 7,747,316.07 : x - Step 2: Convert to fraction form
14,273,686.95/19,697,638.77 = 7,747,316.07/x - Step 3: Cross multiply
14,273,686.95x = 19,697,638.77 × 7,747,316.07 - Step 4: Simplify right side
14,273,686.95x = 152,603,833,383,876.03 - Step 5: Solve for x
x = 152,603,833,383,876.03/14,273,686.95 - Step 6: Final answer
x = 10,691,269.46
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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.