Finding the Fourth Proportional to 16,972,636.72, 23,422,813.68 and 9,237,959.68
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Solution
The fourth proportional to 16,972,636.72, 23,422,813.68 and 9,237,959.68 is: 12,748,697.33
Step by Step Solution
- Step 1: Write the proportion equation
16,972,636.72 : 23,422,813.68 = 9,237,959.68 : x - Step 2: Convert to fraction form
16,972,636.72/23,422,813.68 = 9,237,959.68/x - Step 3: Cross multiply
16,972,636.72x = 23,422,813.68 × 9,237,959.68 - Step 4: Simplify right side
16,972,636.72x = 216,379,008,367,992.41 - Step 5: Solve for x
x = 216,379,008,367,992.41/16,972,636.72 - Step 6: Final answer
x = 12,748,697.33
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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.