Finding the Fourth Proportional to 23,299,744.16, 32,153,795.92 and 12,987,120.80
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Solution
The fourth proportional to 23,299,744.16, 32,153,795.92 and 12,987,120.80 is: 17,922,309.74
Step by Step Solution
- Step 1: Write the proportion equation
23,299,744.16 : 32,153,795.92 = 12,987,120.80 : x - Step 2: Convert to fraction form
23,299,744.16/32,153,795.92 = 12,987,120.80/x - Step 3: Cross multiply
23,299,744.16x = 32,153,795.92 × 12,987,120.80 - Step 4: Simplify right side
23,299,744.16x = 417,585,231,791,587.19 - Step 5: Solve for x
x = 417,585,231,791,587.19/23,299,744.16 - Step 6: Final answer
x = 17,922,309.74
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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.