Finding the Fourth Proportional to 43,124,934.20, 59,511,595.64 and 26,378,441.58
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Solution
The fourth proportional to 43,124,934.20, 59,511,595.64 and 26,378,441.58 is: 36,401,751.75
Step by Step Solution
- Step 1: Write the proportion equation
43,124,934.20 : 59,511,595.64 = 26,378,441.58 : x - Step 2: Convert to fraction form
43,124,934.20/59,511,595.64 = 26,378,441.58/x - Step 3: Cross multiply
43,124,934.20x = 59,511,595.64 × 26,378,441.58 - Step 4: Simplify right side
43,124,934.20x = 1,569,823,148,988,268.75 - Step 5: Solve for x
x = 1,569,823,148,988,268.75/43,124,934.20 - Step 6: Final answer
x = 36,401,751.75
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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.