Finding the Fourth Proportional to 28,659,261.74, 39,549,387.24 and 16,269,246.99
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Solution
The fourth proportional to 28,659,261.74, 39,549,387.24 and 16,269,246.99 is: 22,451,337.21
Step by Step Solution
- Step 1: Write the proportion equation
28,659,261.74 : 39,549,387.24 = 16,269,246.99 : x - Step 2: Convert to fraction form
28,659,261.74/39,549,387.24 = 16,269,246.99/x - Step 3: Cross multiply
28,659,261.74x = 39,549,387.24 × 16,269,246.99 - Step 4: Simplify right side
28,659,261.74x = 643,438,749,310,714.50 - Step 5: Solve for x
x = 643,438,749,310,714.50/28,659,261.74 - Step 6: Final answer
x = 22,451,337.21
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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.