Finding the Fourth Proportional to 23,001,035.40, 31,738,976.16 and 12,687,757.68
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Solution
The fourth proportional to 23,001,035.40, 31,738,976.16 and 12,687,757.68 is: 17,507,752.65
Step by Step Solution
- Step 1: Write the proportion equation
23,001,035.40 : 31,738,976.16 = 12,687,757.68 : x - Step 2: Convert to fraction form
23,001,035.40/31,738,976.16 = 12,687,757.68/x - Step 3: Cross multiply
23,001,035.40x = 31,738,976.16 × 12,687,757.68 - Step 4: Simplify right side
23,001,035.40x = 402,696,438,529,376.88 - Step 5: Solve for x
x = 402,696,438,529,376.88/23,001,035.40 - Step 6: Final answer
x = 17,507,752.65
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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.