Finding the Fourth Proportional to 40,294,611.96, 55,599,756.66 and 22,651,164.42
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Solution
The fourth proportional to 40,294,611.96, 55,599,756.66 and 22,651,164.42 is: 31,254,779.95
Step by Step Solution
- Step 1: Write the proportion equation
40,294,611.96 : 55,599,756.66 = 22,651,164.42 : x - Step 2: Convert to fraction form
40,294,611.96/55,599,756.66 = 22,651,164.42/x - Step 3: Cross multiply
40,294,611.96x = 55,599,756.66 × 22,651,164.42 - Step 4: Simplify right side
40,294,611.96x = 1,259,399,229,817,650 - Step 5: Solve for x
x = 1,259,399,229,817,650/40,294,611.96 - Step 6: Final answer
x = 31,254,779.95
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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.