Finding the Fourth Proportional to 16,516,159.80, 24,774,239.70 and 12,264,631.80
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Solution
The fourth proportional to 16,516,159.80, 24,774,239.70 and 12,264,631.80 is: 18,396,947.70
Step by Step Solution
- Step 1: Write the proportion equation
16,516,159.80 : 24,774,239.70 = 12,264,631.80 : x - Step 2: Convert to fraction form
16,516,159.80/24,774,239.70 = 12,264,631.80/x - Step 3: Cross multiply
16,516,159.80x = 24,774,239.70 × 12,264,631.80 - Step 4: Simplify right side
16,516,159.80x = 303,846,928,045,442.50 - Step 5: Solve for x
x = 303,846,928,045,442.50/16,516,159.80 - Step 6: Final answer
x = 18,396,947.70
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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.