Finding the Fourth Proportional to 19,711,563.12, 27,201,670.56 and 11,009,859.48
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Solution
The fourth proportional to 19,711,563.12, 27,201,670.56 and 11,009,859.48 is: 15,193,446.03
Step by Step Solution
- Step 1: Write the proportion equation
19,711,563.12 : 27,201,670.56 = 11,009,859.48 : x - Step 2: Convert to fraction form
19,711,563.12/27,201,670.56 = 11,009,859.48/x - Step 3: Cross multiply
19,711,563.12x = 27,201,670.56 × 11,009,859.48 - Step 4: Simplify right side
19,711,563.12x = 299,486,570,486,852.88 - Step 5: Solve for x
x = 299,486,570,486,852.88/19,711,563.12 - Step 6: Final answer
x = 15,193,446.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.