Finding the Fourth Proportional to 8,995,314.21, 12,413,827.34 and 4,920,933.21
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Solution
The fourth proportional to 8,995,314.21, 12,413,827.34 and 4,920,933.21 is: 6,791,048.52
Step by Step Solution
- Step 1: Write the proportion equation
8,995,314.21 : 12,413,827.34 = 4,920,933.21 : x - Step 2: Convert to fraction form
8,995,314.21/12,413,827.34 = 4,920,933.21/x - Step 3: Cross multiply
8,995,314.21x = 12,413,827.34 × 4,920,933.21 - Step 4: Simplify right side
8,995,314.21x = 61,087,615,220,611.96 - Step 5: Solve for x
x = 61,087,615,220,611.96/8,995,314.21 - Step 6: Final answer
x = 6,791,048.52
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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.