Finding the Fourth Proportional to 12,260,654.23, 18,391,652.03 and 4,973,031.68
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Solution
The fourth proportional to 12,260,654.23, 18,391,652.03 and 4,973,031.68 is: 7,459,819.56
Step by Step Solution
- Step 1: Write the proportion equation
12,260,654.23 : 18,391,652.03 = 4,973,031.68 : x - Step 2: Convert to fraction form
12,260,654.23/18,391,652.03 = 4,973,031.68/x - Step 3: Cross multiply
12,260,654.23x = 18,391,652.03 × 4,973,031.68 - Step 4: Simplify right side
12,260,654.23x = 91,462,268,192,726.31 - Step 5: Solve for x
x = 91,462,268,192,726.31/12,260,654.23 - Step 6: Final answer
x = 7,459,819.56
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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.