Finding the Fourth Proportional to 39,791,079.16, 54,911,301.09 and 22,149,701.98
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Solution
The fourth proportional to 39,791,079.16, 54,911,301.09 and 22,149,701.98 is: 30,566,372.67
Step by Step Solution
- Step 1: Write the proportion equation
39,791,079.16 : 54,911,301.09 = 22,149,701.98 : x - Step 2: Convert to fraction form
39,791,079.16/54,911,301.09 = 22,149,701.98/x - Step 3: Cross multiply
39,791,079.16x = 54,911,301.09 × 22,149,701.98 - Step 4: Simplify right side
39,791,079.16x = 1,216,268,954,477,549.25 - Step 5: Solve for x
x = 1,216,268,954,477,549.25/39,791,079.16 - Step 6: Final answer
x = 30,566,372.67
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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.