Finding the Fourth Proportional to 19,257,529.84, 28,886,293.01 and 8,474,830.68
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Solution
The fourth proportional to 19,257,529.84, 28,886,293.01 and 8,474,830.68 is: 12,712,245.25
Step by Step Solution
- Step 1: Write the proportion equation
19,257,529.84 : 28,886,293.01 = 8,474,830.68 : x - Step 2: Convert to fraction form
19,257,529.84/28,886,293.01 = 8,474,830.68/x - Step 3: Cross multiply
19,257,529.84x = 28,886,293.01 × 8,474,830.68 - Step 4: Simplify right side
19,257,529.84x = 244,806,442,232,617.56 - Step 5: Solve for x
x = 244,806,442,232,617.56/19,257,529.84 - Step 6: Final answer
x = 12,712,245.25
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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.