Finding the Fourth Proportional to 40,539,746.74, 55,945,577.46 and 22,203,851.26
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Solution
The fourth proportional to 40,539,746.74, 55,945,577.46 and 22,203,851.26 is: 30,641,712.90
Step by Step Solution
- Step 1: Write the proportion equation
40,539,746.74 : 55,945,577.46 = 22,203,851.26 : x - Step 2: Convert to fraction form
40,539,746.74/55,945,577.46 = 22,203,851.26/x - Step 3: Cross multiply
40,539,746.74x = 55,945,577.46 × 22,203,851.26 - Step 4: Simplify right side
40,539,746.74x = 1,242,207,280,576,648.75 - Step 5: Solve for x
x = 1,242,207,280,576,648.75/40,539,746.74 - Step 6: Final answer
x = 30,641,712.90
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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.