Finding the Fourth Proportional to 32,257,972.80, 48,386,959.20 and 14,342,068.80
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Solution
The fourth proportional to 32,257,972.80, 48,386,959.20 and 14,342,068.80 is: 21,513,103.20
Step by Step Solution
- Step 1: Write the proportion equation
32,257,972.80 : 48,386,959.20 = 14,342,068.80 : x - Step 2: Convert to fraction form
32,257,972.80/48,386,959.20 = 14,342,068.80/x - Step 3: Cross multiply
32,257,972.80x = 48,386,959.20 × 14,342,068.80 - Step 4: Simplify right side
32,257,972.80x = 693,969,097,869,193 - Step 5: Solve for x
x = 693,969,097,869,193/32,257,972.80 - Step 6: Final answer
x = 21,513,103.20
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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.