Finding the Fourth Proportional to 16,864,339.72, 23,272,762.02 and 9,129,379.99
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Solution
The fourth proportional to 16,864,339.72, 23,272,762.02 and 9,129,379.99 is: 12,598,529.88
Step by Step Solution
- Step 1: Write the proportion equation
16,864,339.72 : 23,272,762.02 = 9,129,379.99 : x - Step 2: Convert to fraction form
16,864,339.72/23,272,762.02 = 9,129,379.99/x - Step 3: Cross multiply
16,864,339.72x = 23,272,762.02 × 9,129,379.99 - Step 4: Simplify right side
16,864,339.72x = 212,465,887,897,419.97 - Step 5: Solve for x
x = 212,465,887,897,419.97/16,864,339.72 - Step 6: Final answer
x = 12,598,529.88
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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.