Finding the Fourth Proportional to 7,859,363.58, 10,845,920.12 and 4,374,627.21
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Solution
The fourth proportional to 7,859,363.58, 10,845,920.12 and 4,374,627.21 is: 6,036,984.65
Step by Step Solution
- Step 1: Write the proportion equation
7,859,363.58 : 10,845,920.12 = 4,374,627.21 : x - Step 2: Convert to fraction form
7,859,363.58/10,845,920.12 = 4,374,627.21/x - Step 3: Cross multiply
7,859,363.58x = 10,845,920.12 × 4,374,627.21 - Step 4: Simplify right side
7,859,363.58x = 47,446,857,252,565.33 - Step 5: Solve for x
x = 47,446,857,252,565.33/7,859,363.58 - Step 6: Final answer
x = 6,036,984.65
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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.