Finding the Fourth Proportional to 20,750,827.77, 31,124,102.93 and 6,916,291.70
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Solution
The fourth proportional to 20,750,827.77, 31,124,102.93 and 6,916,291.70 is: 10,373,724.70
Step by Step Solution
- Step 1: Write the proportion equation
20,750,827.77 : 31,124,102.93 = 6,916,291.70 : x - Step 2: Convert to fraction form
20,750,827.77/31,124,102.93 = 6,916,291.70/x - Step 3: Cross multiply
20,750,827.77x = 31,124,102.93 × 6,916,291.70 - Step 4: Simplify right side
20,750,827.77x = 215,263,374,574,502.72 - Step 5: Solve for x
x = 215,263,374,574,502.72/20,750,827.77 - Step 6: Final answer
x = 10,373,724.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.