Finding the Fourth Proportional to 42,629,033.92, 63,933,907.02 and 19,577,807.68
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Solution
The fourth proportional to 42,629,033.92, 63,933,907.02 and 19,577,807.68 is: 29,362,282.48
Step by Step Solution
- Step 1: Write the proportion equation
42,629,033.92 : 63,933,907.02 = 19,577,807.68 : x - Step 2: Convert to fraction form
42,629,033.92/63,933,907.02 = 19,577,807.68/x - Step 3: Cross multiply
42,629,033.92x = 63,933,907.02 × 19,577,807.68 - Step 4: Simplify right side
42,629,033.92x = 1,251,685,735,868,562 - Step 5: Solve for x
x = 1,251,685,735,868,562/42,629,033.92 - Step 6: Final answer
x = 29,362,282.48
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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.