Finding the Fourth Proportional to 21,855,346.78, 32,777,307.98 and 6,498,500.68
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Solution
The fourth proportional to 21,855,346.78, 32,777,307.98 and 6,498,500.68 is: 9,746,052.55
Step by Step Solution
- Step 1: Write the proportion equation
21,855,346.78 : 32,777,307.98 = 6,498,500.68 : x - Step 2: Convert to fraction form
21,855,346.78/32,777,307.98 = 6,498,500.68/x - Step 3: Cross multiply
21,855,346.78x = 32,777,307.98 × 6,498,500.68 - Step 4: Simplify right side
21,855,346.78x = 213,003,358,196,599.41 - Step 5: Solve for x
x = 213,003,358,196,599.41/21,855,346.78 - Step 6: Final answer
x = 9,746,052.55
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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.