Finding the Fourth Proportional to 34,792,420.35, 48,010,740.05 and 20,109,037.67
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Solution
The fourth proportional to 34,792,420.35, 48,010,740.05 and 20,109,037.67 is: 27,748,853.65
Step by Step Solution
- Step 1: Write the proportion equation
34,792,420.35 : 48,010,740.05 = 20,109,037.67 : x - Step 2: Convert to fraction form
34,792,420.35/48,010,740.05 = 20,109,037.67/x - Step 3: Cross multiply
34,792,420.35x = 48,010,740.05 × 20,109,037.67 - Step 4: Simplify right side
34,792,420.35x = 965,449,780,400,327.12 - Step 5: Solve for x
x = 965,449,780,400,327.12/34,792,420.35 - Step 6: Final answer
x = 27,748,853.65
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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.