Finding the Fourth Proportional to 17,739,732.80, 26,609,599.20 and 15,944,643.20
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Solution
The fourth proportional to 17,739,732.80, 26,609,599.20 and 15,944,643.20 is: 23,916,964.80
Step by Step Solution
- Step 1: Write the proportion equation
17,739,732.80 : 26,609,599.20 = 15,944,643.20 : x - Step 2: Convert to fraction form
17,739,732.80/26,609,599.20 = 15,944,643.20/x - Step 3: Cross multiply
17,739,732.80x = 26,609,599.20 × 15,944,643.20 - Step 4: Simplify right side
17,739,732.80x = 424,280,564,939,005.44 - Step 5: Solve for x
x = 424,280,564,939,005.44/17,739,732.80 - Step 6: Final answer
x = 23,916,964.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.