Finding the Fourth Proportional to 10,561,985.80, 15,842,978.70 and 2,583,809.80
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Solution
The fourth proportional to 10,561,985.80, 15,842,978.70 and 2,583,809.80 is: 3,875,714.70
Step by Step Solution
- Step 1: Write the proportion equation
10,561,985.80 : 15,842,978.70 = 2,583,809.80 : x - Step 2: Convert to fraction form
10,561,985.80/15,842,978.70 = 2,583,809.80/x - Step 3: Cross multiply
10,561,985.80x = 15,842,978.70 × 2,583,809.80 - Step 4: Simplify right side
10,561,985.80x = 40,935,243,626,251.26 - Step 5: Solve for x
x = 40,935,243,626,251.26/10,561,985.80 - Step 6: Final answer
x = 3,875,714.70
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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.