Finding the Fourth Proportional to 16,985,205.84, 23,440,247.64 and 9,643,722.29
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Solution
The fourth proportional to 16,985,205.84, 23,440,247.64 and 9,643,722.29 is: 13,308,713.52
Step by Step Solution
- Step 1: Write the proportion equation
16,985,205.84 : 23,440,247.64 = 9,643,722.29 : x - Step 2: Convert to fraction form
16,985,205.84/23,440,247.64 = 9,643,722.29/x - Step 3: Cross multiply
16,985,205.84x = 23,440,247.64 × 9,643,722.29 - Step 4: Simplify right side
16,985,205.84x = 226,051,238,648,987.88 - Step 5: Solve for x
x = 226,051,238,648,987.88/16,985,205.84 - Step 6: Final answer
x = 13,308,713.52
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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.