Finding the Fourth Proportional to 11,434,101.36, 15,779,173.20 and 6,207,150
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Solution
The fourth proportional to 11,434,101.36, 15,779,173.20 and 6,207,150 is: 8,565,928.52
Step by Step Solution
- Step 1: Write the proportion equation
11,434,101.36 : 15,779,173.20 = 6,207,150 : x - Step 2: Convert to fraction form
11,434,101.36/15,779,173.20 = 6,207,150/x - Step 3: Cross multiply
11,434,101.36x = 15,779,173.20 × 6,207,150 - Step 4: Simplify right side
11,434,101.36x = 97,943,694,928,380 - Step 5: Solve for x
x = 97,943,694,928,380/11,434,101.36 - Step 6: Final answer
x = 8,565,928.52
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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.