Finding the Fourth Proportional to 18,255,056.43, 27,378,101.28 and 6,124,248.57
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Solution
The fourth proportional to 18,255,056.43, 27,378,101.28 and 6,124,248.57 is: 9,184,868.77
Step by Step Solution
- Step 1: Write the proportion equation
18,255,056.43 : 27,378,101.28 = 6,124,248.57 : x - Step 2: Convert to fraction form
18,255,056.43/27,378,101.28 = 6,124,248.57/x - Step 3: Cross multiply
18,255,056.43x = 27,378,101.28 × 6,124,248.57 - Step 4: Simplify right side
18,255,056.43x = 167,670,297,613,355.19 - Step 5: Solve for x
x = 167,670,297,613,355.19/18,255,056.43 - Step 6: Final answer
x = 9,184,868.77
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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.