Finding the Fourth Proportional to 28,496,221.91, 39,344,090.19 and 18,051,506.99
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Solution
The fourth proportional to 28,496,221.91, 39,344,090.19 and 18,051,506.99 is: 24,923,308.12
Step by Step Solution
- Step 1: Write the proportion equation
28,496,221.91 : 39,344,090.19 = 18,051,506.99 : x - Step 2: Convert to fraction form
28,496,221.91/39,344,090.19 = 18,051,506.99/x - Step 3: Cross multiply
28,496,221.91x = 39,344,090.19 × 18,051,506.99 - Step 4: Simplify right side
28,496,221.91x = 710,220,118,883,254.88 - Step 5: Solve for x
x = 710,220,118,883,254.88/28,496,221.91 - Step 6: Final answer
x = 24,923,308.12
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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.