Finding the Fourth Proportional to 8,428,866.08, 12,643,652.80 and 2,671,473.76
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Solution
The fourth proportional to 8,428,866.08, 12,643,652.80 and 2,671,473.76 is: 4,007,322.74
Step by Step Solution
- Step 1: Write the proportion equation
8,428,866.08 : 12,643,652.80 = 2,671,473.76 : x - Step 2: Convert to fraction form
8,428,866.08/12,643,652.80 = 2,671,473.76/x - Step 3: Cross multiply
8,428,866.08x = 12,643,652.80 × 2,671,473.76 - Step 4: Simplify right side
8,428,866.08x = 33,777,186,685,750.53 - Step 5: Solve for x
x = 33,777,186,685,750.53/8,428,866.08 - Step 6: Final answer
x = 4,007,322.74
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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.