Finding the Fourth Proportional to 19,257,532.84, 28,886,297.50 and 8,474,833.68
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Solution
The fourth proportional to 19,257,532.84, 28,886,297.50 and 8,474,833.68 is: 12,712,249.75
Step by Step Solution
- Step 1: Write the proportion equation
19,257,532.84 : 28,886,297.50 = 8,474,833.68 : x - Step 2: Convert to fraction form
19,257,532.84/28,886,297.50 = 8,474,833.68/x - Step 3: Cross multiply
19,257,532.84x = 28,886,297.50 × 8,474,833.68 - Step 4: Simplify right side
19,257,532.84x = 244,806,566,943,499.78 - Step 5: Solve for x
x = 244,806,566,943,499.78/19,257,532.84 - Step 6: Final answer
x = 12,712,249.75
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1.5x scale
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.