Finding the Fourth Proportional to 21,498,782.22, 32,247,972.72 and 8,716,248.36
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Solution
The fourth proportional to 21,498,782.22, 32,247,972.72 and 8,716,248.36 is: 13,074,291.21
Step by Step Solution
- Step 1: Write the proportion equation
21,498,782.22 : 32,247,972.72 = 8,716,248.36 : x - Step 2: Convert to fraction form
21,498,782.22/32,247,972.72 = 8,716,248.36/x - Step 3: Cross multiply
21,498,782.22x = 32,247,972.72 × 8,716,248.36 - Step 4: Simplify right side
21,498,782.22x = 281,081,339,334,024.72 - Step 5: Solve for x
x = 281,081,339,334,024.72/21,498,782.22 - Step 6: Final answer
x = 13,074,291.21
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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.