Finding the Fourth Proportional to 21,088,381.98, 31,621,197.98 and 9,567,562.44
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Solution
The fourth proportional to 21,088,381.98, 31,621,197.98 and 9,567,562.44 is: 14,346,182.95
Step by Step Solution
- Step 1: Write the proportion equation
21,088,381.98 : 31,621,197.98 = 9,567,562.44 : x - Step 2: Convert to fraction form
21,088,381.98/31,621,197.98 = 9,567,562.44/x - Step 3: Cross multiply
21,088,381.98x = 31,621,197.98 × 9,567,562.44 - Step 4: Simplify right side
21,088,381.98x = 302,537,786,101,251.88 - Step 5: Solve for x
x = 302,537,786,101,251.88/21,088,381.98 - Step 6: Final answer
x = 14,346,182.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.