Finding the Fourth Proportional to 39,189,195.03, 54,081,483.46 and 21,549,027.99
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Solution
The fourth proportional to 39,189,195.03, 54,081,483.46 and 21,549,027.99 is: 29,737,875.45
Step by Step Solution
- Step 1: Write the proportion equation
39,189,195.03 : 54,081,483.46 = 21,549,027.99 : x - Step 2: Convert to fraction form
39,189,195.03/54,081,483.46 = 21,549,027.99/x - Step 3: Cross multiply
39,189,195.03x = 54,081,483.46 × 21,549,027.99 - Step 4: Simplify right side
39,189,195.03x = 1,165,403,400,820,262 - Step 5: Solve for x
x = 1,165,403,400,820,262/39,189,195.03 - Step 6: Final answer
x = 29,737,875.45
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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.