Finding the Fourth Proportional to 8,542,029.18, 11,786,177.14 and 5,058,462.28
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Solution
The fourth proportional to 8,542,029.18, 11,786,177.14 and 5,058,462.28 is: 6,979,598.32
Step by Step Solution
- Step 1: Write the proportion equation
8,542,029.18 : 11,786,177.14 = 5,058,462.28 : x - Step 2: Convert to fraction form
8,542,029.18/11,786,177.14 = 5,058,462.28/x - Step 3: Cross multiply
8,542,029.18x = 11,786,177.14 × 5,058,462.28 - Step 4: Simplify right side
8,542,029.18x = 59,619,932,488,088.29 - Step 5: Solve for x
x = 59,619,932,488,088.29/8,542,029.18 - Step 6: Final answer
x = 6,979,598.32
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1.5x scale
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.