Finding the Fourth Proportional to 9,780,403.70, 14,670,532.65 and 2,956,963.70
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Solution
The fourth proportional to 9,780,403.70, 14,670,532.65 and 2,956,963.70 is: 4,435,423.51
Step by Step Solution
- Step 1: Write the proportion equation
9,780,403.70 : 14,670,532.65 = 2,956,963.70 : x - Step 2: Convert to fraction form
9,780,403.70/14,670,532.65 = 2,956,963.70/x - Step 3: Cross multiply
9,780,403.70x = 14,670,532.65 × 2,956,963.70 - Step 4: Simplify right side
9,780,403.70x = 43,380,232,505,714.81 - Step 5: Solve for x
x = 43,380,232,505,714.81/9,780,403.70 - Step 6: Final answer
x = 4,435,423.51
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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.