Finding the Fourth Proportional to 42,385,403.44, 58,488,265.58 and 25,646,377.44
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Solution
The fourth proportional to 42,385,403.44, 58,488,265.58 and 25,646,377.44 is: 35,389,827.95
Step by Step Solution
- Step 1: Write the proportion equation
42,385,403.44 : 58,488,265.58 = 25,646,377.44 : x - Step 2: Convert to fraction form
42,385,403.44/58,488,265.58 = 25,646,377.44/x - Step 3: Cross multiply
42,385,403.44x = 58,488,265.58 × 25,646,377.44 - Step 4: Simplify right side
42,385,403.44x = 1,500,012,135,038,857.25 - Step 5: Solve for x
x = 1,500,012,135,038,857.25/42,385,403.44 - Step 6: Final answer
x = 35,389,827.95
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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.