Finding the Fourth Proportional to 11,740,889.81, 16,203,194.30 and 6,779,540.59
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Solution
The fourth proportional to 11,740,889.81, 16,203,194.30 and 6,779,540.59 is: 9,356,208.53
Step by Step Solution
- Step 1: Write the proportion equation
11,740,889.81 : 16,203,194.30 = 6,779,540.59 : x - Step 2: Convert to fraction form
11,740,889.81/16,203,194.30 = 6,779,540.59/x - Step 3: Cross multiply
11,740,889.81x = 16,203,194.30 × 6,779,540.59 - Step 4: Simplify right side
11,740,889.81x = 109,850,213,420,947.52 - Step 5: Solve for x
x = 109,850,213,420,947.52/11,740,889.81 - Step 6: Final answer
x = 9,356,208.53
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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.