Finding the Fourth Proportional to 61,289,547.88, 84,580,513.86 and 33,412,276.84
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Solution
The fourth proportional to 61,289,547.88, 84,580,513.86 and 33,412,276.84 is: 46,109,453.28
Step by Step Solution
- Step 1: Write the proportion equation
61,289,547.88 : 84,580,513.86 = 33,412,276.84 : x - Step 2: Convert to fraction form
61,289,547.88/84,580,513.86 = 33,412,276.84/x - Step 3: Cross multiply
61,289,547.88x = 84,580,513.86 × 33,412,276.84 - Step 4: Simplify right side
61,289,547.88x = 2,826,027,544,359,777 - Step 5: Solve for x
x = 2,826,027,544,359,777/61,289,547.88 - Step 6: Final answer
x = 46,109,453.28
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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.