Finding the Fourth Proportional to 48,490,398.82, 66,918,311.76 and 27,581,895.55
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Solution
The fourth proportional to 48,490,398.82, 66,918,311.76 and 27,581,895.55 is: 38,063,903.99
Step by Step Solution
- Step 1: Write the proportion equation
48,490,398.82 : 66,918,311.76 = 27,581,895.55 : x - Step 2: Convert to fraction form
48,490,398.82/66,918,311.76 = 27,581,895.55/x - Step 3: Cross multiply
48,490,398.82x = 66,918,311.76 × 27,581,895.55 - Step 4: Simplify right side
48,490,398.82x = 1,845,733,885,346,656.75 - Step 5: Solve for x
x = 1,845,733,885,346,656.75/48,490,398.82 - Step 6: Final answer
x = 38,063,903.99
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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.