Finding the Fourth Proportional to 42,575,102.65, 58,779,163.89 and 27,916,340.54
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Solution
The fourth proportional to 42,575,102.65, 58,779,163.89 and 27,916,340.54 is: 38,541,284.78
Step by Step Solution
- Step 1: Write the proportion equation
42,575,102.65 : 58,779,163.89 = 27,916,340.54 : x - Step 2: Convert to fraction form
42,575,102.65/58,779,163.89 = 27,916,340.54/x - Step 3: Cross multiply
42,575,102.65x = 58,779,163.89 × 27,916,340.54 - Step 4: Simplify right side
42,575,102.65x = 1,640,899,155,809,711 - Step 5: Solve for x
x = 1,640,899,155,809,711/42,575,102.65 - Step 6: Final answer
x = 38,541,284.78
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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.