Finding the Fourth Proportional to 10,561,981.80, 15,842,972.70 and 2,583,805.80
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Solution
The fourth proportional to 10,561,981.80, 15,842,972.70 and 2,583,805.80 is: 3,875,708.70
Step by Step Solution
- Step 1: Write the proportion equation
10,561,981.80 : 15,842,972.70 = 2,583,805.80 : x - Step 2: Convert to fraction form
10,561,981.80/15,842,972.70 = 2,583,805.80/x - Step 3: Cross multiply
10,561,981.80x = 15,842,972.70 × 2,583,805.80 - Step 4: Simplify right side
10,561,981.80x = 40,935,164,751,501.66 - Step 5: Solve for x
x = 40,935,164,751,501.66/10,561,981.80 - Step 6: Final answer
x = 3,875,708.70
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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.