Finding the Fourth Proportional to 10,133,789.36, 15,201,423.96 and 2,848,323.68
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Solution
The fourth proportional to 10,133,789.36, 15,201,423.96 and 2,848,323.68 is: 4,272,693.49
Step by Step Solution
- Step 1: Write the proportion equation
10,133,789.36 : 15,201,423.96 = 2,848,323.68 : x - Step 2: Convert to fraction form
10,133,789.36/15,201,423.96 = 2,848,323.68/x - Step 3: Cross multiply
10,133,789.36x = 15,201,423.96 × 2,848,323.68 - Step 4: Simplify right side
10,133,789.36x = 43,298,575,834,987.38 - Step 5: Solve for x
x = 43,298,575,834,987.38/10,133,789.36 - Step 6: Final answer
x = 4,272,693.49
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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.