Finding the Fourth Proportional to 11,135,780.29, 15,367,979.10 and 6,242,574.19
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Solution
The fourth proportional to 11,135,780.29, 15,367,979.10 and 6,242,574.19 is: 8,615,090.03
Step by Step Solution
- Step 1: Write the proportion equation
11,135,780.29 : 15,367,979.10 = 6,242,574.19 : x - Step 2: Convert to fraction form
11,135,780.29/15,367,979.10 = 6,242,574.19/x - Step 3: Cross multiply
11,135,780.29x = 15,367,979.10 × 6,242,574.19 - Step 4: Simplify right side
11,135,780.29x = 95,935,749,739,148.06 - Step 5: Solve for x
x = 95,935,749,739,148.06/11,135,780.29 - Step 6: Final answer
x = 8,615,090.03
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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.