Finding the Fourth Proportional to 9,965,485.98, 13,752,370.08 and 5,381,806.95
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Solution
The fourth proportional to 9,965,485.98, 13,752,370.08 and 5,381,806.95 is: 7,426,893.28
Step by Step Solution
- Step 1: Write the proportion equation
9,965,485.98 : 13,752,370.08 = 5,381,806.95 : x - Step 2: Convert to fraction form
9,965,485.98/13,752,370.08 = 5,381,806.95/x - Step 3: Cross multiply
9,965,485.98x = 13,752,370.08 × 5,381,806.95 - Step 4: Simplify right side
9,965,485.98x = 74,012,600,875,516.06 - Step 5: Solve for x
x = 74,012,600,875,516.06/9,965,485.98 - Step 6: Final answer
x = 7,426,893.28
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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.