Finding the Fourth Proportional to 10,366,585.04, 14,305,789.56 and 5,720,412.80
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Solution
The fourth proportional to 10,366,585.04, 14,305,789.56 and 5,720,412.80 is: 7,894,115.70
Step by Step Solution
- Step 1: Write the proportion equation
10,366,585.04 : 14,305,789.56 = 5,720,412.80 : x - Step 2: Convert to fraction form
10,366,585.04/14,305,789.56 = 5,720,412.80/x - Step 3: Cross multiply
10,366,585.04x = 14,305,789.56 × 5,720,412.80 - Step 4: Simplify right side
10,366,585.04x = 81,835,021,713,130.38 - Step 5: Solve for x
x = 81,835,021,713,130.38/10,366,585.04 - Step 6: Final answer
x = 7,894,115.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.