Finding the Fourth Proportional to 23,130,789.26, 31,934,998.40 and 14,885,177.68
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Solution
The fourth proportional to 23,130,789.26, 31,934,998.40 and 14,885,177.68 is: 20,550,882.21
Step by Step Solution
- Step 1: Write the proportion equation
23,130,789.26 : 31,934,998.40 = 14,885,177.68 : x - Step 2: Convert to fraction form
23,130,789.26/31,934,998.40 = 14,885,177.68/x - Step 3: Cross multiply
23,130,789.26x = 31,934,998.40 × 14,885,177.68 - Step 4: Simplify right side
23,130,789.26x = 475,358,125,394,515.69 - Step 5: Solve for x
x = 475,358,125,394,515.69/23,130,789.26 - Step 6: Final answer
x = 20,550,882.21
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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.