Finding the Fourth Proportional to 40,141,440.42, 55,390,744.86 and 22,259,211.08
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Solution
The fourth proportional to 40,141,440.42, 55,390,744.86 and 22,259,211.08 is: 30,715,247.60
Step by Step Solution
- Step 1: Write the proportion equation
40,141,440.42 : 55,390,744.86 = 22,259,211.08 : x - Step 2: Convert to fraction form
40,141,440.42/55,390,744.86 = 22,259,211.08/x - Step 3: Cross multiply
40,141,440.42x = 55,390,744.86 × 22,259,211.08 - Step 4: Simplify right side
40,141,440.42x = 1,232,954,281,717,165 - Step 5: Solve for x
x = 1,232,954,281,717,165/40,141,440.42 - Step 6: Final answer
x = 30,715,247.60
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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.