Finding the Fourth Proportional to 43,336,486.08, 64,985,831.42 and 16,391,246.40
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Solution
The fourth proportional to 43,336,486.08, 64,985,831.42 and 16,391,246.40 is: 24,579,721.88
Step by Step Solution
- Step 1: Write the proportion equation
43,336,486.08 : 64,985,831.42 = 16,391,246.40 : x - Step 2: Convert to fraction form
43,336,486.08/64,985,831.42 = 16,391,246.40/x - Step 3: Cross multiply
43,336,486.08x = 64,985,831.42 × 16,391,246.40 - Step 4: Simplify right side
43,336,486.08x = 1,065,198,775,232,125.62 - Step 5: Solve for x
x = 1,065,198,775,232,125.62/43,336,486.08 - Step 6: Final answer
x = 24,579,721.88
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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.