Finding the Fourth Proportional to 8,063,987.39, 11,128,297.68 and 4,442,315.39
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Solution
The fourth proportional to 8,063,987.39, 11,128,297.68 and 4,442,315.39 is: 6,130,392.53
Step by Step Solution
- Step 1: Write the proportion equation
8,063,987.39 : 11,128,297.68 = 4,442,315.39 : x - Step 2: Convert to fraction form
8,063,987.39/11,128,297.68 = 4,442,315.39/x - Step 3: Cross multiply
8,063,987.39x = 11,128,297.68 × 4,442,315.39 - Step 4: Simplify right side
8,063,987.39x = 49,435,407,992,723.80 - Step 5: Solve for x
x = 49,435,407,992,723.80/8,063,987.39 - Step 6: Final answer
x = 6,130,392.53
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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.