Finding the Fourth Proportional to 39,080,920.88, 53,931,498.05 and 22,335,381.05
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Solution
The fourth proportional to 39,080,920.88, 53,931,498.05 and 22,335,381.05 is: 30,822,727.10
Step by Step Solution
- Step 1: Write the proportion equation
39,080,920.88 : 53,931,498.05 = 22,335,381.05 : x - Step 2: Convert to fraction form
39,080,920.88/53,931,498.05 = 22,335,381.05/x - Step 3: Cross multiply
39,080,920.88x = 53,931,498.05 × 22,335,381.05 - Step 4: Simplify right side
39,080,920.88x = 1,204,580,559,330,263 - Step 5: Solve for x
x = 1,204,580,559,330,263/39,080,920.88 - Step 6: Final answer
x = 30,822,727.10
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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.