Finding the Fourth Proportional to 38,015,893.08, 52,461,613.44 and 21,499,260.84
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Solution
The fourth proportional to 38,015,893.08, 52,461,613.44 and 21,499,260.84 is: 29,668,799.55
Step by Step Solution
- Step 1: Write the proportion equation
38,015,893.08 : 52,461,613.44 = 21,499,260.84 : x - Step 2: Convert to fraction form
38,015,893.08/52,461,613.44 = 21,499,260.84/x - Step 3: Cross multiply
38,015,893.08x = 52,461,613.44 × 21,499,260.84 - Step 4: Simplify right side
38,015,893.08x = 1,127,885,911,433,809.75 - Step 5: Solve for x
x = 1,127,885,911,433,809.75/38,015,893.08 - Step 6: Final answer
x = 29,668,799.55
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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.