Finding the Fourth Proportional to 11,565,512.88, 15,960,501.60 and 6,408,960.48
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Solution
The fourth proportional to 11,565,512.88, 15,960,501.60 and 6,408,960.48 is: 8,844,417.46
Step by Step Solution
- Step 1: Write the proportion equation
11,565,512.88 : 15,960,501.60 = 6,408,960.48 : x - Step 2: Convert to fraction form
11,565,512.88/15,960,501.60 = 6,408,960.48/x - Step 3: Cross multiply
11,565,512.88x = 15,960,501.60 × 6,408,960.48 - Step 4: Simplify right side
11,565,512.88x = 102,290,223,995,376.77 - Step 5: Solve for x
x = 102,290,223,995,376.77/11,565,512.88 - Step 6: Final answer
x = 8,844,417.46
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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.