Finding the Fourth Proportional to 26,130,205.76, 36,061,703.84 and 15,676,613.68
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Solution
The fourth proportional to 26,130,205.76, 36,061,703.84 and 15,676,613.68 is: 21,634,938.70
Step by Step Solution
- Step 1: Write the proportion equation
26,130,205.76 : 36,061,703.84 = 15,676,613.68 : x - Step 2: Convert to fraction form
26,130,205.76/36,061,703.84 = 15,676,613.68/x - Step 3: Cross multiply
26,130,205.76x = 36,061,703.84 × 15,676,613.68 - Step 4: Simplify right side
26,130,205.76x = 565,325,399,742,252.62 - Step 5: Solve for x
x = 565,325,399,742,252.62/26,130,205.76 - Step 6: Final answer
x = 21,634,938.70
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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.