Finding the Fourth Proportional to 16,787,720.45, 25,181,580.68 and 8,266,293.65
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Solution
The fourth proportional to 16,787,720.45, 25,181,580.68 and 8,266,293.65 is: 12,399,440.48
Step by Step Solution
- Step 1: Write the proportion equation
16,787,720.45 : 25,181,580.68 = 8,266,293.65 : x - Step 2: Convert to fraction form
16,787,720.45/25,181,580.68 = 8,266,293.65/x - Step 3: Cross multiply
16,787,720.45x = 25,181,580.68 × 8,266,293.65 - Step 4: Simplify right side
16,787,720.45x = 208,158,340,472,046.69 - Step 5: Solve for x
x = 208,158,340,472,046.69/16,787,720.45 - Step 6: Final answer
x = 12,399,440.48
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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.