Finding the Fourth Proportional to 54,907,946.58, 82,340,943.84 and 18,506,556.30
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Solution
The fourth proportional to 54,907,946.58, 82,340,943.84 and 18,506,556.30 is: 27,752,764.54
Step by Step Solution
- Step 1: Write the proportion equation
54,907,946.58 : 82,340,943.84 = 18,506,556.30 : x - Step 2: Convert to fraction form
54,907,946.58/82,340,943.84 = 18,506,556.30/x - Step 3: Cross multiply
54,907,946.58x = 82,340,943.84 × 18,506,556.30 - Step 4: Simplify right side
54,907,946.58x = 1,523,847,312,970,098.25 - Step 5: Solve for x
x = 1,523,847,312,970,098.25/54,907,946.58 - Step 6: Final answer
x = 27,752,764.54
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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.