Finding the Fourth Proportional to 28,583,807.94, 42,875,627.08 and 8,113,544.84
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Solution
The fourth proportional to 28,583,807.94, 42,875,627.08 and 8,113,544.84 is: 12,170,293.18
Step by Step Solution
- Step 1: Write the proportion equation
28,583,807.94 : 42,875,627.08 = 8,113,544.84 : x - Step 2: Convert to fraction form
28,583,807.94/42,875,627.08 = 8,113,544.84/x - Step 3: Cross multiply
28,583,807.94x = 42,875,627.08 × 8,113,544.84 - Step 4: Simplify right side
28,583,807.94x = 347,873,322,856,698.25 - Step 5: Solve for x
x = 347,873,322,856,698.25/28,583,807.94 - Step 6: Final answer
x = 12,170,293.18
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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.