Finding the Fourth Proportional to 45,528,481.76, 68,282,937.84 and 14,406,605.16
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Solution
The fourth proportional to 45,528,481.76, 68,282,937.84 and 14,406,605.16 is: 21,606,811.53
Step by Step Solution
- Step 1: Write the proportion equation
45,528,481.76 : 68,282,937.84 = 14,406,605.16 : x - Step 2: Convert to fraction form
45,528,481.76/68,282,937.84 = 14,406,605.16/x - Step 3: Cross multiply
45,528,481.76x = 68,282,937.84 × 14,406,605.16 - Step 4: Simplify right side
45,528,481.76x = 983,725,324,625,703.38 - Step 5: Solve for x
x = 983,725,324,625,703.38/45,528,481.76 - Step 6: Final answer
x = 21,606,811.53
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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.