Finding the Fourth Proportional to 38,888,907.90, 58,296,037.05 and 30,248,216.70
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Solution
The fourth proportional to 38,888,907.90, 58,296,037.05 and 30,248,216.70 is: 45,343,293.41
Step by Step Solution
- Step 1: Write the proportion equation
38,888,907.90 : 58,296,037.05 = 30,248,216.70 : x - Step 2: Convert to fraction form
38,888,907.90/58,296,037.05 = 30,248,216.70/x - Step 3: Cross multiply
38,888,907.90x = 58,296,037.05 × 30,248,216.70 - Step 4: Simplify right side
38,888,907.90x = 1,763,351,161,439,628.50 - Step 5: Solve for x
x = 1,763,351,161,439,628.50/38,888,907.90 - Step 6: Final answer
x = 45,343,293.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.