Finding the Fourth Proportional to 42,566,235.84, 63,858,797.28 and 12,271,734.72
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Solution
The fourth proportional to 42,566,235.84, 63,858,797.28 and 12,271,734.72 is: 18,410,324.62
Step by Step Solution
- Step 1: Write the proportion equation
42,566,235.84 : 63,858,797.28 = 12,271,734.72 : x - Step 2: Convert to fraction form
42,566,235.84/63,858,797.28 = 12,271,734.72/x - Step 3: Cross multiply
42,566,235.84x = 63,858,797.28 × 12,271,734.72 - Step 4: Simplify right side
42,566,235.84x = 783,658,219,758,417.62 - Step 5: Solve for x
x = 783,658,219,758,417.62/42,566,235.84 - Step 6: Final answer
x = 18,410,324.62
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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.