Finding the Fourth Proportional to 16,891,124.84, 23,294,701.68 and 13,170,878
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Solution
The fourth proportional to 16,891,124.84, 23,294,701.68 and 13,170,878 is: 18,164,075.91
Step by Step Solution
- Step 1: Write the proportion equation
16,891,124.84 : 23,294,701.68 = 13,170,878 : x - Step 2: Convert to fraction form
16,891,124.84/23,294,701.68 = 13,170,878/x - Step 3: Cross multiply
16,891,124.84x = 23,294,701.68 × 13,170,878 - Step 4: Simplify right side
16,891,124.84x = 306,811,673,873,675.06 - Step 5: Solve for x
x = 306,811,673,873,675.06/16,891,124.84 - Step 6: Final answer
x = 18,164,075.91
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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.