Finding the Fourth Proportional to 15,581,149.13, 23,372,930.36 and 5,206,404.13
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Solution
The fourth proportional to 15,581,149.13, 23,372,930.36 and 5,206,404.13 is: 7,810,009.40
Step by Step Solution
- Step 1: Write the proportion equation
15,581,149.13 : 23,372,930.36 = 5,206,404.13 : x - Step 2: Convert to fraction form
15,581,149.13/23,372,930.36 = 5,206,404.13/x - Step 3: Cross multiply
15,581,149.13x = 23,372,930.36 × 5,206,404.13 - Step 4: Simplify right side
15,581,149.13x = 121,688,921,111,090.08 - Step 5: Solve for x
x = 121,688,921,111,090.08/15,581,149.13 - Step 6: Final answer
x = 7,810,009.40
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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.