Finding the Fourth Proportional to 28,761,189, 39,664,154.24 and 22,482,545.82
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Solution
The fourth proportional to 28,761,189, 39,664,154.24 and 22,482,545.82 is: 31,005,365.08
Step by Step Solution
- Step 1: Write the proportion equation
28,761,189 : 39,664,154.24 = 22,482,545.82 : x - Step 2: Convert to fraction form
28,761,189/39,664,154.24 = 22,482,545.82/x - Step 3: Cross multiply
28,761,189x = 39,664,154.24 × 22,482,545.82 - Step 4: Simplify right side
28,761,189x = 891,751,165,112,347.38 - Step 5: Solve for x
x = 891,751,165,112,347.38/28,761,189 - Step 6: Final answer
x = 31,005,365.08
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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.