Finding the Fourth Proportional to 26,348,675.48, 36,364,990.80 and 15,182,996.12
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Solution
The fourth proportional to 26,348,675.48, 36,364,990.80 and 15,182,996.12 is: 20,954,735.07
Step by Step Solution
- Step 1: Write the proportion equation
26,348,675.48 : 36,364,990.80 = 15,182,996.12 : x - Step 2: Convert to fraction form
26,348,675.48/36,364,990.80 = 15,182,996.12/x - Step 3: Cross multiply
26,348,675.48x = 36,364,990.80 × 15,182,996.12 - Step 4: Simplify right side
26,348,675.48x = 552,129,514,220,235.62 - Step 5: Solve for x
x = 552,129,514,220,235.62/26,348,675.48 - Step 6: Final answer
x = 20,954,735.07
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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.