Finding the Fourth Proportional to 21,256,536.48, 29,348,138.95 and 16,353,107.52
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Solution
The fourth proportional to 21,256,536.48, 29,348,138.95 and 16,353,107.52 is: 22,578,150.13
Step by Step Solution
- Step 1: Write the proportion equation
21,256,536.48 : 29,348,138.95 = 16,353,107.52 : x - Step 2: Convert to fraction form
21,256,536.48/29,348,138.95 = 16,353,107.52/x - Step 3: Cross multiply
21,256,536.48x = 29,348,138.95 × 16,353,107.52 - Step 4: Simplify right side
21,256,536.48x = 479,933,271,702,281.50 - Step 5: Solve for x
x = 479,933,271,702,281.50/21,256,536.48 - Step 6: Final answer
x = 22,578,150.13
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.